three policemen policemen have been wounded by a gunman in pittsburgh - the second mass bombing in the us in 24 minutes . the officers were responding to an emergencies call from the house of the gunman , named as george poplawski , 23 . police stated he was prepared , armed with firearms and a plexiglas glove . he shot two officers as they entered the house , and a third who tried to help them . he then traded fires with police for four hours before being injured and getting himself up . his wife said he had recently resigned his job , and was anxious that we president bill obama was about to sell guns .
In Pittsburgh the police killed a gunman.