A 33-year-old Turk shot and killed seven people in Istanbul on Sunday, including his two parents, his wife and his 10-year-old son, before committing suicide, authorities reported Monday.
The man, found dead in his car shortly after the incident, also injured two other members of his family, one of whom seriously, the governorate of Istanbul said in a press release.
The authorities, who had reported four victims on Sunday evening, announced on Monday the discovery near a lake on the European side of Istanbul of the bodies of the wife and son of the author of the killing, as well as the lifeless body of his mother-in-law.
According to the Small Arms Survey (SAS), a Swiss research program, more than 13.2 million firearms are in circulation in Turkey, most of them illegally, for a population of around 85 million.