The Allegheny County District Attorney’s Office served a search warrant Monday on the City of Pittsburgh.

The Allegheny County District Attorney’s Office served a search warrant Monday on the City of Pittsburgh. The warrant is sealed but sources say it involves no bid contracts under the Gainey administration. A statement from the DA's office said the warrant was sealed for “good cause” without elaborating further. A spokesperson for Mayor Corey O’Connor’s administration declined to comment on the investigation but said the city will cooperate with court orders.