A man allegedly killed his wife over a domestic issue at Sowan village in the jurisdiction of Shahzad Town police station here on Sunday. According to police, Waqar Ahmed shot dead his wife Khalida Bibi, 50, with a 32-bore pistol over a petty row. The deceased was the mother of two children. Waqar’s son told the police that the accused used to quarrel with the deceased over petty issues. On Sunday morning the couple had a heated exchange which led the killing of Khalida. The police arrested the alleged killer and a case was registered against him.