Four asphyxiated to death in Haryana

 Four persons were killed due to suspected gas poisoning at a biogas plant in Haryana's Kurukshetra district on Wednesday, police said.

The victims included a man and his two sons, who were choked to death at Dera Rampur village.

The bodies were sent for post-mortem to the Civil Hospital in Kurukshetra, around 110 km from here.

Police said that the exact cause of death was being probed.- IANS