Underworld don Dawood Ibrahim's nephew died of corona in a private hospital in Karachi, Pakistan. According to the information, Siraj Sabir Kaskar, son of Dawood's elder brother Sabir Kaskar, was undergoing treatment in the hospital for a week. Siraj, 38, breathed his last on Wednesday morning. He was infected with the Corona virus. Doctors tried hard to save Dawood's nephew but he did not succeed.