"Our officers are searching in and around the Senate office buildings in response to a concerning 911 call. Please stay away from the area as we are still investigating," US Capitol Police tweeted at 2:45 p.m.US Capitol Police asked people inside the Senate buildings to shelter in place as police officers were searching the buildings for the suspected shooter. An all-clear was given at 4:04 p.m, Xinhua news agency reported.US Capitol Police said later it was standing by to prepare the Senate office buildings for re-opening.US Capitol Police Chief Thomas Manger told reporters that the 911 call about an active shooter might have been a bogus one and that there was no confirmation of an active shooter.The Senate is currently in summer recess and most lawmakers are not in Washington, D.C.--IANSint/khz(Disclaimer: This post has been auto published from IANS news agency without any modification to the text and has not been reviewed by editor)