Sheikh Abdullah Falak, the official responsible for the financial affairs of Iraq's supreme Shiite cleric Ayatollah Ali Al-Sistani, was found dead in his house a few hours after his assassination, Iraqi police said on Saturday. A police source told KUNA unknown armed men stormed Falak's house located in Al-Baraq around 50 meters from Al-Sistani's house and stabbed him to death before fleeing the scene.