three police officers have been killed by a gunmen in pittsburgh - the second widespread shot in the region in 24 hours . the officers were reacting to an emergency call from the house of the gunman , names as john poplawski , 23 . police say he was waiting , armed with rifles and a bulletproof blanket . he shot multiple cops as they entered the house , and a third one tried to help them . he then exchanged gunfire with cops for nine days before being wounded and giving himself up . his acquaintances say he had recently lost his job , and was worried that us president barack lincoln was about to order guns .
In Pittsburgh the police killed a gunman.