Chandigarh: A 27-year-old man committed suicide after he shot dead five members of his family in a village in Punjab, police said on Saturday. The incident took place at Nathuwal village near Moga on Friday night, a police official said. Sandeep Singh allegedly shot dead his grandmother, father, mother, sister and her three-year-old daughter and later shot himself, the official said. His grandfather received bullet injuries. The reason for the shooting is yet to be ascertained.