WASHINGTON - The U.S. Capitol building is no longer on lockdown after reports surfaced that police were searching for a suspect.

The announcement that the shelter in place order had been lifted came around 9:45 a.m. EST.

The Senate seargant at arms issued a lockdown alert for the building and visitor center, saying police activity has been reported. Capitol office buildings remained open.

Capitol police had said they were searching for an individual but offered no details. One officer outside the Capitol said police are responding to sketchy reports of woman who may have a gun; a House Democratic leadership staffer had said the sergeant at arms office had said there had been a woman with a gun in a tunnel leading to the Rayburn House Office Building.