A man and his wife were killed while their seven children were injured when the roof of a house collapsed at Bank Stop, Nishtar Colony, on Tuesday. Police said that Shaukat Ali, his wife Gul Hayat and seven children were asleep in the house when the roof collapsed. As a result, all of them were buried in the debris. On information, volunteers of Edhi Foundation reached the spot and shifted the injured to General Hospital where Shaukat and his wife died.