A grocer was killed while his son was seriously injured in Musha village of Kishorganj upazila yesterday as they came in contact with live wire. They were repairing the ceiling fan of their shop. When Dulal Hossain,20, came in contact with electric line, father Ibne Azam,52, tried to push him aside with his hand. Although he could save his son Azam himself was electrocuted. Dulal was taken to Rangpur Medical College and Hospital in a critical condition.