A group of unknown militants on Friday night killed at least 15 passengers after kidnapping them in Pakistan's south-western province of Balochistan, a media report said.The incident took place when unknown militants stopped two buses and kidnapped 35 passengers in Mastung district of the province, Xinhua reported Soon after the incident, security forces rushed to the site and chased the kidnappers.Security forces exchanged firing with the kidnappers, who later killed 15 of the abducted passengers.
Interior minister of the province, Sarfaraz Bugti, said security forces have rescued five of the abducted passengers and are following the militants to rescue the other passengers.The buses were headed towards the country's southern port city of Karachi from the provincial capital of Quetta.Pakistan Prime Minister Nawaz Sharif directed the authorities to rescue the remaining passengers safely.No group has claimed responsibility for the incident as yet.