QUETTA – Six persons including a woman and child were killed in a road accident on Quetta-Chaman Highway, on Sunday.According to Levies officials, truck loaded with scrap iron hit a car coming from opposite direction near Gadang on Quetta-Chaman Highway.Six people, including a woman and child travelling in the car died on the spot.Levies personnel and volunteer rushed to the site and pulled out the bodies and moved them to nearby hospital. Levies officials said that the car was heading towards Chaman.A case has been registered and investigation into the incident is underway.