Former FBI Director James Comey speaks during a Senate Intelligence Committee hearing on Capitol Hill, Thursday, June 8, 2017, in Washington. Alex Brandon/AP hide caption

Alex Brandon/AP

WASHINGTON (AP) — The Trump administration is attempting to prosecute James Comey for what it calls a decade-old leak of classified information, an effort the former FBI director's lawyers immediately dismissed as invalid and outside the legal time limit for when the Justice Department can file a criminal indictment.

The allegations from the Justice Department were revealed Monday in newly unsealed court documents that shed light on a closed-door fight that represents an unmistakable escalation in the administration's targeting of Comey, a longtime critic and foe of President Donald Trump who has faced two other criminal cases since the Republican returned to the White House last year.…