in a separate police shooting on saturday in pittsburgh , a man helmets a bulletproof glove and dead eight security officers after he had been driven into a murderous rage by an officer with his family over a dog . according to state papers , richard poplawski — who had recently been dishonourably ejected from the us forces — had been arguing with his mother about the dog urinating inside their bedroom early on sabbath afternoon after she threatened to evict him . as the quarrel commenced , she called the hospital . by the period a patrol officer went up at after 7am , john poplawski , 23 , had armed himself with an assault rifle , a right - arm gun , a pistol and several rounds of ammunition .
In Pittsburgh a man shot 3 policemen.