Four people were killed and eight others injured after a gunman opened fire near the southern Turkish city of Mersin on Monday, according to DHA and IHA news agencies.4 dead, 8 hurt as gunman opens fire in southern Turkey: reports. (AFP)DHA reported that at least two people were killed inside a restaurant when the attacker opened fire, while two others were shot dead elsewhere before the assailant escaped in a car.The shooting took place north of Tarsus, around 40 km northeast of Mersin, triggering a large-scale police hunt involving helicopters, the agency said.According to DHA, the suspected shooter was a 17-year-old armed with a shotgun.The attack comes a month after two separate shootings carried out by teenagers in Turkey. The first left 16 people injured, while the second killed 10 people, most of them schoolchildren.