The 2009 Pittsburgh police shootings took place on Saturday, April 4, 2009, at 1016 Fairfield Street in the Stanton Heights neighborhood of Pittsburgh,Pennsylvania, United States, stemming from an argument over a dog urinating in the house between a mother and her 22-year-old son. At approximately 7:11 a.m. EDT, 22-year-old Richard Poplawski opened fire on two Pittsburgh Police officers responding to a 911 call from Poplawski's mother, who was attempting to get the police officers to remove her son from the home. Three police officers were ultimately confirmed dead, and another two were seriously injured. According to Chief of Police Nathan Harper, Poplawski was armed with a semi-automatic AK-47-style rifle and two other guns, protected by a bullet proof vest, and had been lying in wait for the officers. According to police and witnesses, he held police at bay for four hours as the fallen officers were left bleeding nearby, their colleagues unable to reach them. More than 100 rounds were fired by the SWAT teams and Poplawski. The victims were the first Pittsburgh city officers killed in the line of duty for 18 years.