Raigarh, June 22 (Reporter) Two labourers were killed on the spot when a tractor carrying gravel and cement lost control and overturned in a field after rolling down a slope in Raigarh district of Chhattisgarh, police said on Sunday. The accident took place in Sisringa valley under Dharmjaygarh police station late on Saturday night when tractor driver Parmeshwar Yadav lost control of his vehicle. Raju Toppo (54) and Sandeep Bada (32) were rushed to Dharmjaygarh hospital, where they were declared dead. The police have registered a case against the driver, who is currently absconding, and are working to apprehend him. The bodies of the deceased have been sent for post-mortem examination...////...