Ten people, most of them labourers working on a tunnel project, were charred to death in a fire incident in Ramban district of Jammu and Kashmir on Friday. "There was a fire caused probably by a short circuit at the barracks of labourers working on a tunnel project in Talwas in Chanderkote belt of Ramban district at around 1 am today," IGP Jammu, Danish Rana, said.