LARKANA: Two labourers were killed when a single story building collapsed on Bakrani Road here on Wednesday morning in the limits of Darri police station. According to details, a single story building could not withstand the shocks of digging in the nearby plot and it came down due to which two labourers namely 18-year Mahboob Ali S/O Wahid Bux Lashari and 45-year Rajib Ali S/O Ghulam Sarwar Lashari, who were asleep on the roof of the building, fell down and were seriously injured. Both were rushed to Casualty of Chandka Medical College Hospital where duty doctors described one of them (Rajib Ali) as dead on arrival and the other expired in the Hospital. Both the men were working as labourers at a sweet shop and belonged to village Meharban Jatoi of Muzzafar Garh district of Punjab. Their third labourer fortunately escaped the tragic incident as he had left the building few minutes before.