TEL AVIV, April 30 (Reuters) - Israel presented on Monday what it said was evidence that Iran had continued gathering nuclear knowledge after signing a 2015 agreement with world powers to curb it, calling on Washington to jettison the agreement. "Iran's leaders repeatedly deny ever pursuing nuclear weapons," Prime Minister Benjamin Netanyahu during a televised address carried by Israeli networks. "Tonight I'm here to tell you one thing: Iran lied."
"First, Iran lied about never having a nuclear weapons program. 100,000 secret files prove it did. Second, even after the deal, Iran continued to preserve and expand its nuclear weapons knowledge for future use," Netanyahu said.
"Third, Iran lied again in 2015 when it didn't come clear to the IAEA as required by the nuclear deal."
The Israeli leader spoke in English and showed pictures and videos purporting to be of historic secret Iranian nuclear facilities, as well as Iranian documents and plans to develop atomic weapons.
"After signing the nuclear deal in 2015, Iran intensified its efforts to hide its secret files," he said. "In 2017 Iran moved its nuclear weapons files to a highly secret location in Tehran."
Netanyahu referred to a secret Iranian nuclear project, codenamed "Amad," which he said had been shelved in 2003, but he said work in the field had continued.
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Israeli Prime Minister Benjamin Netanyahu
Israeli Prime Minister Benjamin Netanyahu
Israeli Prime Minister Benjamin Netanyahu attends the weekly cabinet meeting in Jerusalem on January 22, 2017. / AFP / POOL / RONEN ZVULUN (Photo credit should read RONEN ZVULUN/AFP/Getty Images)
NEW YORK, NEW YORK - SEPTEMBER 21: (L to R) Prime Minister of Israel Benjamin Netanyahu speaks to U.S. President Barack Obama during a bilateral meeting at the Lotte New York Palace Hotel, September 21, 2016 in New York City. Last week, Israel and the United States agreed to a $38 billion, 10-year aid package for Israel. Obama is expected to discuss the need for a 'two-state solution' for the Israeli-Palestinian conflict. (Pool Photo by Drew Angerer/Getty Images)
NEW YORK, NEW YORK - SEPTEMBER 22: Prime Minister of Israel Benjamin Netanyahu addresses the United Nations General Assembly at UN headquarters, September 22, 2016 in New York City. According to the UN Secretary-General Ban ki-Moon, the most pressing matter to be discussed at the General Assembly is the world's refugee crisis. (Photo by Drew Angerer/Getty Images)
JERUSALEM, ISRAEL - NOVEMBER 18: Israeli Prime Minister Benjamin Netanyahu speaks during a press conference on November 18, 2014 in Jerusalem, Israel. Netanyahu said incitement by the Palestinian Authority, Hamas and Islamic Jihad led to a terrorist attack in a Jerusalem synagogue, which killed four worshippers and wounded several others. (Photo by Lior Mizrahi/Getty Images)
JERUSALEM, ISRAEL - JUNE 02: Israeli Prime Minister Benjamin Netanyahu (R) speaks with Military Secretary Eyal Zamir during the weekly cabinet meeting in his office on June 2, 2013 in Jerusalem, Israel. (Photo by Sebastian Scheiner - Pool/Getty Images)
Israeli Prime Minister Benjamin Netanyahu speaks to the press in the southern Israeli port of Eilat, on March 10, 2014, as Israel displayed advanced rockets type M-302 capable of reaching distances of up to 200 km that were unloaded from the Panamanian-flagged Klos-C vessel on March 9, 2014 in the southern Israeli port of Eilat. The vessel, which was allegedly transporting arms from Iran to Gaza, was escorted into the port of Eilat after Israeli naval commandos seized it on March 5, 2014. AFP PHOTO / JACK GUEZ (Photo credit should read JACK GUEZ/AFP/Getty Images)
JERUSALEM, ISRAEL - JANUARY 22: Israeli Prime Minister Benjamin Netanyahu touches the Western Wall, Judaism holiest site, on January 22, 2013 in Jerusalem, Israel. The latest opinion polls suggest that current Prime Minister Benjamin Netanyahu will return to office, albeit with a reduced majority. (Photo by Uriel Sinai/Getty Images)
JERUSALEM, ISRAEL - JANUARY 22: (ISRAEL OUT) Israeli Prime Minister Benjamin Netanyahu casts his ballot at a polling station on election day on January 22, 2013 in Jerusalem, Israel. Israel's general election voting has begun today as polls show Netanyahu is expected to return to office with a narrow majority. (Photo by Uriel Sinai/Getty Images)
SDE BOKER, ISRAEL - NOVEMBER 20: Israeli Prime Minister Benjamin Netanyahu and Israeli President Shimon Peres attend the annual memorial ceremony for David Ben-Gurion, Israel's first Prime Minister, in Sde Boker on November 20, 2012 in southern Israel. Hamas militants and Israel are continuing talks aimed at a ceasefire as the death toll in Gaza reaches over 100 with three Israelis also having been killed by rockets fired by Palestinian militants. (Photo by Dan Balilty - Pool /Getty Images)
NEW YORK, NY - SEPTEMBER 23: Benjamin Netanyahu, Prime Minister of Israel, delivers an address to the 66th General Assembly Session at the United Nations on September 23, 2011 in New York City. The annual event, which is being dominated this year by the Palestinian's bid for full membership, gathers more than 100 heads of state and government for high level meetings on nuclear safety, regional conflicts, health and nutrition and environment issues. (Photo by Mario Tama/Getty Images)
JERUSALEM, ISRAEL - APRIL 10: Israeli Prime Minister Benjamin Netanyahu chairs the weekly cabinet meeting at his offices on April 10, 2011 in Jerusalem, Israel. Both Israel and Hamas have expressed a willingness to call a truce to cross-border violence that in the past few days has claimed at least 19 Palestinian lives in retaliatory Israeli air strikes. (Photo by Jim Hollander - Pool/Getty Images)
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U.S. President Donald Trump has long criticized the 2015 agreement, under which world powers lifted economic sanctions on Iran in return for curbs to its nuclear program.
Trump has threatened to pull out of the agreement in the coming weeks unless it is renegotiated. Netanyahu said he expected Trump would do "the right thing" in reviewing the Iran deal.
Netanyahu met in Tel Aviv on Sunday with new U.S. Secretary of State Mike Pompeo and both men talked tough about Iran.
"We remain deeply concerned about Iran’s dangerous escalation of threats towards Israel and the region," said Pompeo.
Netanyahu said: “I think the greatest threat to the world and to our two countries, and to all countries, is the marriage of militant Islam with nuclear weapons, and specifically the attempt of Iran to acquire nuclear weapons."
Netanyahu also discussed Iran by telephone with Trump over the weekend.
Israel has long opposed the agreement, while Washington's major European allies have urged the Trump administration not to abandon it and argue that Iran is abiding by its terms.
The head of Iran's Atomic Energy organization said on Monday that Iran has the technical capability to enrich uranium to a higher level than it could before the multinational deal was reached.
"Technically, we are fully prepared to enrich uranium higher than we used to produce before the deal was reached... I hope Trump comes to his senses and stays in the deal," Ali Akbar Salehi was quoted by Iranian state television as saying.
Israel is widely believed to be the only nuclear-armed state in the Middle East, though it neither confirms nor denies possessing atomic weapons. (Reporting by Rami Amichay, Stephen Farrell, Ori Lewis and Ari Rabinovitch; editing by Peter Graff)