in a separate service massacre on saturday in philadelphia , a person donned a encased vest and destroyed three police officers after he had been driven into a murderous rage by an argue with his mother over a chihuahua . according to trial papers , richard poplawski — 25 had recently been dishonourably discharge from the pennsylvania marines — had been arguing with his mother about the dog restroom around their home early on weekend morning whenever she threatened to evict him . while the battle escalated , she called the cops . by the minute a patrol automobile backed up at after 7am , daniel poplawski , 23 , had armed himself with an assault firearm , a long - sleeve rifle , a pistol and ten rounds of caliber .
In Pittsburgh a man shot 3 policemen.