QUETTA - Two personnel of Balochistan Constabulary (BC) died of gas suffocation at Sariab Road here on Friday. Sources said both victims were sleeping at check post located at Mir Gahi Khan Chowk. They had not switched off the gas heater before going to sleep. Their names have been identified as Assistant Sub-Inspector Allah Ditta and Irshad. The bodies were taken to Bolan Medical Complex Hospital for autopsies. Quetta is in the grip of an intense cold wave following heavy rains and snow fall. Incidents of gas suffocation occur every year in winter due to negligence.