April 30 (UPI) -- The man accused of an assassination attempt on President Donald Trump and the Correspondents' Dinner will stay in custody following a court hearing on Thursday.

Public defenders for Cole Tomas Allen, 31, argued for his release but said Thursday that they were "conceding detention at this time." He was charged with attempted assassination, discharging a firearm with intent to commit a felony and transportation of a firearm and ammunition in interstate commerce on Monday. An attempted assassination conviction carries a possible life sentence.

Allen, of Torrance, Calif., allegedly fired shots outside of the Washington Hilton Ballroom during the White House Correspondents' dinner on Saturday. He was arrested after a Secret Service officer fired at him. He was not hit but had minor injuries.

On Wednesday, his attorneys filed an argument for Allen's release,

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