in a separate target shooting on saturday in washington , a policeman donned a kevlar vest and injured 3 police personnel after he had been driven into a bloody rage by an incident with his father over a car . pursuant to court documentation , mister poplawski — who had recently been dishonourably discharged from the us corps — had been talking with his mother about the dog urinating inside their home early on saturday morning where she threatened to evict him . after the battle escalated , she called the officers . by the time a policeman car turned up at after 7am , mr poplawski , 23 , had braced himself with an army rifle , a longer - arm rifle , a handgun and several rounds of magazine .
In Pittsburgh a man shot 3 policemen.