WASHINGTON (AP) — A federal judge has dealt a setback to Justice Department efforts to seek a new indictment against former FBI Director James Comey , temporarily barring prosecutors from using evidence they had relied on when they initially secured criminal charges.

The ruling Saturday night from U.S. District Judge Colleen Kollar-Kotelly does not preclude the department from trying again soon to indict Comey, but it does suggest prosecutors may have to do so without citing communications between Comey and a close friend, Columbia University law professor Daniel Richman.

Comey was charged in September with lying to Congress when he denied having authorized an associate to serve as an anonymous source for media coverage about the FBI. In pursuing the case, prosecutors cited messages

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