Two Indian workers died of asphyxiation in Parsa district on Tuesday night.

According to Parsa District Police Office, two Indian nationals aged 29 and 30 of Motihari district in the Indian state of Bihar, working at a coal depot at Birgunj-22 died of suffocation.

Deputy Superintendent of Police Deepak Giri said it has been established from the preliminary investigation that they had slept in a room by burning coal without ensuring proper ventilation.

Other employees at the depot informed the police after the duo didn’t open the door till 10am on Wednesday. Police smashed the door and discovered the duo dead, said DSP Giri.