Barmer/Sirohi, Oct. 20 -- A man and his son were killed on Saturday after their coal dust-laden trailer overturned after jumping a divider on the Beawar- Pindwara highway in Sirohi, police said on Sunday. Police said the victims were Hakim Khan, the driver, and his son Irfan Khan, the helper. They were going from Jamnagar to Pali when the driver lost control of the vehicle, which veered into the wrong lane and toppled into a roadside ditch, they added Bystanders informed police who said they recovered both men , who were declared dead at the government trauma centre in Sirohi. The men were from Nagaur and their family has been informed, said police, adding that a report was filed....