WASHINGTON, April 19 (Reuters) - U.S. House Speaker Paul Ryan did not immediately endorse a Senate bill on Tuesday that would allow Americans to sue the government of Saudi Arabia over the Sept. 11 attacks, saying it should be reviewed to ensure it would not hurt diplomatic relations.
With President Barack Obama traveling to Saudi Arabia Tuesday, lawmakers have been discussing the "Justice Against Sponsors of Terrorism Act," which passed the Senate Judiciary Committee in January but has not been scheduled for debate in the full Senate or the House of Representatives.
"I think we need to review it to make sure that we're not making mistakes with our allies and that we're not catching people in this that shouldn't be caught up in this," Ryan, a Republican, told reporters.
Some U.S. citizens whose relatives were killed in the 2001 attacks want to be able to sue Saudi Arabia because most of the 19 hijackers were Saudi nationals. The al Qaeda militant group, then based in Afghanistan, was blamed and the United States and its allies invaded the country. No U.S. investigation to date has reported finding evidence of Saudi government support for the attacks.
White House spokesman Josh Earnest said Obama did not support the legislation and would not sign it. Obama will seek to reassure Gulf allies about Washington's support on his trip.
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Paul Ryan through his career
House leader wants review of 9/11 bill that would let Americans sue Saudis
Speaker of the House Denis Hastert (L) administers the oath of office to Rep. Paul Ryan (R) of Wisconsin as his family looks on January 6, 1999 at the start of the 106th Congress. The oath is a recreation as the formal oath is administered to the entire congress as a body on the floor of the House. (photo by Rex Banner)
UNITED STATES - DECEMBER 12: Rep. Paul Ryan, R-Wis., speaks at a news conference in which House Republican leaders called for Permanent Tax Relief. (Photo By Tom Williams/Roll Call/Getty Images)
KRT US NEWS STORY SLUGGED: SOCIALSECURITY-DISCUSSION KRT PHOTOGRAPH BY GEORGE BRIDGES/KRT (April 14) Conversation on Social Security between Rep. Paul Ryan (R-WI), shown, and William Novelli, head of AARP, April 5, 2005 (lde) 2005 (Photo by George Bridges/MCT/MCT via Getty Images)
In this photo taken Dec. 1, 2015, House Speaker Paul Ryan of Wis. speaks on Capitol Hill in Washington.Talks on a massive, government-wide spending bill hit a snag Wednesday as Republicans pressed demands to block new power plant rules, weaken financial services regulations and make it more difficult for Syrian and Iraqi refugees to enter the U.S. (AP Photo/J. Scott Applewhite)
UNITED STATES - JULY 22: MEDICARE BRIEFING--Rep. Paul Ryan, R-Wisc., speaks at a Cato Institute briefing on Medicare reform in the Rayburn House Office Building. Tom Miller, director of Health Policy Studies at Cato, looks on. (Photo by Scott J. Ferrell/Congressional Quarterly/Getty Images)
WASHINGTON - SEPTEMBER 24: Rep. Paul Ryan (R-WI) questions Peter Orszag, director of the Congressional Budget Office, during a hearing on Capitol Hill about the impact of recent market turmoil on the federal budget on September 24, 2008 in Washington, DC. Orszag reported that while the impact is currently unknown, it is likely to be substantially less than $700 billion. (Photo by Brendan Hoffman/Getty Images)
WASHINGTON - APRIL 27: House Budget Committee ranking member Rep. Paul Ryan (R-WI) (R) delivers an opening statement during a conference committee meeting with Senate Budget Committee Chairman Kent Conrad (D-ND) (L) and House Budget Committee Chairman John Spratt (D-SC) in the U.S. Capitol April 27, 2009 in Washington, DC. House and Senate lawmakers have already struck a tentative deal on the FY2010 budget resolution and they hope to file a conference report after today's meeting. (Photo by Chip Somodevilla/Getty Images)
WASHINGTON - MARCH 19: (L-R) U.S. House Minority Whip Rep. Eric Cantor (R-VA), Rep. Dave Camp (R-MI) and Rep. Paul Ryan (R-WI) listen during a news conference on the health care legislation March 19, 2010 on Capitol Hill in Washington, DC. The House will vote on the Health Care Reform Legislation on Sunday, March 21. (Photo by Alex Wong/Getty Images)
Representative Paul Ryan, a Republican from Wisconsin and chairman of the House Budget Committee, speaks during a news conference at the U.S. Capitol in Washington, D.C., U.S., on Tuesday, April 5, 2011. U.S. House Republicans today unveiled a plan to overhaul the federal budget and slash the deficit in coming years by about three-quarters, with a $6-trillion cut in spending and 25 percent cap on tax rates. Photographer: Joshua Roberts/Bloomberg via Getty Images
MEET THE PRESS -- Pictured: Rep. Paul Ryan (R-WI) left, and moderator David Gregory, right, appear on 'Meet the Press' in Washington, D.C., Sunday, April 10, 2011. (Photo by William B. Plowman/NBC/NBCU Photo Bank via Getty Images)
MILWAUKEE, WI - APRIL 01: Republican Presidential candidate, former Massachusetts Gov. Mitt Romney (R) jokes with U.S. Rep Paul Ryan (C) (R-WI) during a pancake brunch at Bluemound Gardens on April 1, 2012 in Milwaukee, Wisconsin. With less than a week before the Wisconsin primary, Mitt Romney continues to campaign through the state. (Photo by Justin Sullivan/Getty Images)
WASHINGTON, DC - APRIL 26: House Budget Chairman Rep. Paul Ryan (R-WI) is introduced before speaking about 'America's Enduring Promise,' and the federal budget, in a speech at Georgetown University April 26, 2012 in Washington, DC. During his speech, Ryan said that his proposed budget confronts the nation's growing $15 trillion debt before it impacts future generations of Americans. (Photo by Win McNamee/Getty Images)
NORFOLK, VA - AUGUST 11: Republican presidential candidate, former Massachusetts Gov. Mitt Romney (L) jokes with Rep. Paul Ryan (R-WI) (R) after announcing him as the 'next PRESIDENT of the United States' during an event announcing him as his running mate in front of the USS Wisconsin August 11, 2012 in Norfolk, Virginia. Ryan, a seven term congressman, is Chairman of the House Budget Committee and provides a strong contrast to the Obama administration on fiscal policy. (Photo by Win McNamee/Getty Images)
UNITED STATES - SEPTEMBER 14: Rep. Paul Ryan, R-Wis., Vice Presidential candidate, waves to the crowd after addressing the Values Voter Summit at the Omni Shoreham Hotel in Woodley Park. Photo By Tom Williams/CQ Roll Call)
NEWPORT NEWS, VA - SEPTEMBER 18: Republican vice presidential candidate, U.S. Rep. Paul Ryan (R-WI), pauses as he speaks during a campaign rally at Christopher Newport University September 18, 2012 in Newport News, Virginia. Ryan continued to campaign for the upcoming presidential election. (Photo by Alex Wong/Getty Images)
MIAMI, FL - SEPTEMBER 22: Republican vice presidential candidate, U.S. Rep. Paul Ryan (R-WI) hugs waitress, Lourdes Alcerro, during a campaign stop at Versailles restaurant in the Little Havana neighborhood on September 22, 2012 in Miami, Florida. Ryan continues to campaign for votes across the country. (Photo by Joe Raedle/Getty Images)
Republican presidential candidate Mitt Romney (R) and running-mate Paul Ryan share a laugh as they are introduced at a campaign rally September 25, 2012 at Dayton International Airport in Vandalia, Ohio. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/GettyImages)
Representative Paul Ryan, a Republican from Wisconsin, arrives at a news conference on Capitol Hill in Washington, D.C., U.S., on Tuesday, Oct. 20, 2015. Ryan said he'd be willing to run for speaker of the U.S. House if Republicans unify behind him now, end leadership crises and let him continue spending time with his family. Photographer: Andrew Harrer/Bloomberg via Getty Images
Representative Paul Ryan, a Republican from Wisconsin and chairman of the House Ways and Means Committee, center right, walks down the steps of the U.S. Capitol building following a vote in Washington, D.C., U.S., on Friday, Oct. 9, 2015. Ryan is under heavy pressure from fellow Republicans to run for U.S. House speaker after a hard-line faction forced Speaker John Boehner to resign and his top lieutenant to drop out of the race. Photographer: Andrew Harrer/Bloomberg via Getty Images
Rep. Paul Ryan, R- Wis., leaves his office before a House GOP meeting, Tuesday, Oct. 20, 2015, on Capitol Hill in Washington. (AP Photo/Andrew Harnik)
Representative Paul Ryan, a Republican from Wisconsin, walks to a meeting in the basement of the U.S. Capitol in Washington, D.C., U.S., on Tuesday, Oct. 20, 2015. Ryan is set to meet with a group of House conservatives Tuesday as he weighs a potential run to replace Speaker John Boehner under pressure from fellow Republicans. Photographer: Andrew Harrer/Bloomberg via Getty Images
Rep. Paul Ryan, R- Wis. leaves his office before a House GOP meeting, Tuesday, Oct. 20, 2015, on Capitol Hill in Washington. (AP Photo/Andrew Harnik)
Representative Paul Ryan, a Republican from Wisconsin and chairman of the House Ways and Means Committee, center, talks to the media after walking out of the U.S. Capitol building following a vote in Washington, D.C., U.S., on Friday, Oct. 9, 2015. Ryan is under heavy pressure from fellow Republicans to run for U.S. House speaker after a hard-line faction forced Speaker John Boehner to resign and his top lieutenant to drop out of the race. Photographer: Andrew Harrer/Bloomberg via Getty Images
Rep. Paul Ryan, R- Wis. leaves his office before a House Republican meeting, Tuesday, Oct. 20, 2015, on Capitol Hill in Washington. (AP Photo/Andrew Harnik)
UNITED STATES - OCTOBER 20 - Rep. Paul Ryan, R-Wis., speaks at a news conference following a House Republican meeting, on Capitol Hill in Washington, Tuesday, Oct. 20, 2015. Ryan is stating that he will run for speaker only if he receives enough GOP support by the end of the week. (Photo By Al Drago/CQ Roll Call)
Rep. Paul Ryan, R-Wis., center, speaks to reporters on Capitol Hill in Washington, Wednesday, Oct. 21, 2015, following meetings with House Republican leaders and the Freedom Caucus members. Ryan seeking unity in a place it's rarely found, is telling House Republicans he will serve as their speaker only if they embrace him by week's end as their consensus candidate. (AP Photo/Manuel Balce Ceneta)
US Speaker of the House Paul Ryan, Republican of Wisconsin, awaits the arrival of Israeli President Reuven Rivlin for a meeting at the US Capitol in Washington, DC, December 10, 2015. AFP PHOTO / SAUL LOEB / AFP / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
WASHINGTON, DC - DECEMBER 10: House Speaker Paul Ryan (R-WI) holds his weekly press briefing on Capitol Hill on December 10, 2015 in Washington, D.C. Paul Ryan spoke on topics including Donald Trump and the spending bill. (Photo by Allison Shelley/Getty Images)
WASHINGTON, DC - DECEMBER 15: Speaker of the House Paul Ryan, (R-WI) speaks during a Politico interview at the Grand Hyatt on December 15, 2015 in Washington DC. Ryan was interviewed by Politico's Chief White House Correspondent Mike Allen during a Politico Playbook Breakfast. (Photo by Mark Wilson/Getty Images)
House Speaker Paul Ryan of Wis. welcomes Israeli President Reuven Rivlin on Capitol Hill in Washington, Thursday, Dec. 10, 2015. (AP Photo/J. Scott Applewhite)
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Some lawyers working with the Sept. 11 victims' families have insisted that the bill would come up for a vote quickly and easily pass Congress. But Senate Majority Leader Mitch McConnell, a Republican, said no vote has been scheduled. Senate aides said there was at least one Republican "hold" on the measure.
"I'm still looking at it," McConnell told reporters, calling the measure an "important" bill.
BILL NOT FINALIZED
Republican Senator Bob Corker, chairman of the Senate Foreign Relations Committee, said lawmakers and the Obama administration were trying to resolve concerns about whether individuals should be able to sue foreign governments.
"There are some sovereign immunity issues that need to be worked through," Corker said. He declined to comment on whether he supported the legislation, because the bill has not been finalized.
The New York Times reported on Friday that Saudi Foreign Minister Adel al-Jubeir told U.S. lawmakers his country would be forced to sell up to $750 billion in U.S. assets in response to the bill if it passed.
Several members of Congress and senior aides said they were unaware of any such threat, outside of the newspaper's report.
Democratic Senator Chuck Schumer, a lead bill sponsor said the Saudis had not talked to him about that threat. But he, and other senior Democrats said they wanted the bill to move ahead despite the White House's objections.
"If the Saudi government was complicit in terrorism, and a trial so determines, it would be a real deterrent to other governments not to be complicit in terrorism," said Schumer, who represents New York, the state hardest hit in the attacks.
Corker said he had been in close contact with the administration, but had not discussed the bill with Saudi officials for some time. Ryan said the bill did not come up while he was on a visit to Riyadh.
Republican Senator Chuck Grassley, the chairman of the Judiciary Committee who supports the bill, said it was tied up by State Department concerns about sovereign immunity.
"I think Americans need some redress when they're hurt."