Courtroom sketches of Cole Tomas Allen.

Courtesy: Dana Verkouteren

Cole Tomas Allen on Thursday told a judge he was waiving his right to challenge his detention in jail — for now — on charges of trying to assassinate President Donald Trump at the White House Correspondents' Association dinner l ast Saturday night.

Allen's waiver was a reversal of the defense team's intention to seek his release on bond pending trial , which was announced in a court filing on Wednesday night.

"He's conceding detention at this time," Allen's lawyer, Tezira Abe, told Magistrate Judge Moxila Upadhyaya, during a hearing Thursday in U.S. District Court in the District of Columbia.

Abe said Allen was reserving his right to challenge his detention at a future date.

Abe told Upadhyaya that she and Allen's other lawyer had difficulty meeting with the defendant over the past several days, but spoke to him on Thursday morning before the hearing.

U.S.…