WASHINGTON (AP) — President Donald Trump was uninjured and other top leaders of the United States were evacuated from an annual dinner of White House correspondents on Saturday night after an unspecified threat. There did not immediately appear to be any injuries, and one law-enforcement official said a shooter had opened fire.

Trump is holding a news conference from the White House following Saturday's shooting incident at the correspondents' dinner. Watch his remarks in the player above.

Authorities said the incident occurred outside the ballroom where Trump and other guests were seated. It was not immediately clear what happened.

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The Secret Service and other authorities swarmed the banquet hall at the Washington Hilton as guests dining on burrata salad ducked under tables by the hundreds. "Out of the way, sir!" someone yelled. Others yelled to duck. From one corner, a "God Bless America" chant began as Trump was escorted off stage. He fell briefly — he apparently tripped — and was helped up by Secret Service agents.

A law enforcement official confirmed there was a shooter but no further details were immediately available. All officials protected by the Secret Service were evacuated. Organizers were attempting to resume the dinner.

Some in the crowd reported hearing what they believed to be five to eight shots fired. The banquet hall — where hundreds of prominent journalists, celebrities and national leaders were awaiting Trump's remarks — was immediately evacuated. Members of the National Guard took up position inside the building as people were allowed to leave but not immediately re-enter. Security outside was also extremely tight.

Those in attendance included Trump, Vice President JD Vance, Defense Secretary Pete Hegseth and Secretary of State Marco Rubio — and many other leaders of the Trump administration.

The event appeared set to resume after the disorder. Servers refolded napkins and refilled water glasses in preparation for Trump's return. Another worker prepared the president's teleprompter for the remarks he was scheduled to make. Guest evacuating the ballroom had to step over many broken plates and glasses.

Outside the hotel, members of the National Guard and other authorities flooded the area as helicopters circled overhead.

Generally, the Hilton hotel, where the dinner has taken place for years, remains open to regular guests during the White House Correspondents' Dinner, and security has typically been focused on the ballroom and rather than the hotel at large, with little screening for people not entering the dinner itself. In past years, that has created openings for disruptions in the lobby and other public spaces, including protests in which security moved to remove guests who unfurled banners or staged demonstrations.

U.S. Attorney Jeanine Pirro posted a short video from the hotel after the incident, saying, "I have been taken out of the ballroom after the sound of the shots fired. The Secret Service is now in charge of this building, this hotel. I just spoke to Mayor Murial Bowser. She is on her way and (Police) Chief Jeffery Carroll is on his way. He will be in charge as soon as he gets here."