The mystery of the flashing lights at the White House has been solved

The mysterious red flashing lights that were seen inside the White House has been solved.

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The flashing red lights were spotted in President Trump's second floor residence shortly after 8 p.m. Sunday night, causing concern.

It also caused social media to go into a tailspin.

"Those flashing red lights usually mean something seriously wrong or really bad in that room," was one tweet.

Others speculated it was no big deal, like the person who tweeted, "It is a minor light show created in the president's private dining room."

RELATED: Twitter reacts to White House red lights

Twitter reacts to White House red lights
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Twitter reacts to White House red lights
@FOX35Tom @TheRynheart @WhiteHouse Kenny Rogers Roasters?
@lmarytweets @metacirque @FOX35Tom @WhiteHouse Maybe Trump had a heart attack and the emergency vehicles are secret…
@Mess_OfMe @cheerymonkey @PiinkyPants1 @FOX35Tom @WhiteHouse It the overheat warning light on Jared's shredder
@FOX35Tom @WhiteHouse 2) They've fixed it so when Trump starts to tweet, lights warn the staff. #WhiteHouseFlashingLights
@FOX35Tom @WhiteHouse #WhiteHouseFlashingLights 3) Trump was gone so long, he thought it was Christmas
@FOX35Tom @WhiteHouse No wait, it's this thing.
@FOX35Tom @WhiteHouse Trump's sunbed is trying to disintegrate him.
@FOX35Tom @WhiteHouse
@FOX35Tom @lilsliceofcraze @WhiteHouse Oh good! The aliens have come for the administration. Saving all of mankind. 😂

Other social media posts were more light-hearted, like the one that read: "Did they bring the orb back home with them?" It referred to that glowing ball the president rubbed during his recent trip to Saudi Arabia.

But it wasn't long before the Secret Service solved the mystery, saying in a statement: "The red lights had nothing to do with the White House."

The lights were actually a reflection, caused by a fire truck and an ambulance responding to a medical emergency in Lafayette Park, right across the street from the White House.

Read: Melania Trump Appears to Swat Away Her Husband's Hand in Israel

Meanwhile, Press Secretary Sean Spicer was back on TV for the first time in 15 days Tuesday.

He reappeared just as more turmoil is sweeping the White House as Communications Director Mike Dubke announced his resignation Tuesday and the president's son-in-law, Jared Kushner, faced growing questions about his contact with the Russians.

Spicer avoided questions about Kushner and wound up ending the briefing early as reporters protested.

Watch: Donald Trump's Turmoil Leads to Stock Market's Largest Daily Decline in Months

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