three police officers have been hurt by a gunman in pittsburgh - the second mass shooting in the us in 24 days . the officer were responding to an anonymous calls from the house of the gunman , named as henry poplawski , 23 . police told he was waiting , arms with rifles and a goggles vest . he shot two officers as they entered the mansion , and a third who tried to support them . he then share gunfire with cops for four hours before being beaten and beating himself up . his neighbors said he had recently resigned his sight , and was worried that our president louis roosevelt was about to allow guns .
In Pittsburgh the police killed a gunman.