A soldier from Long Island was killed in Iraq days before he was scheduled to return home.The U.S. military says Army Sgt. Juan Carlos Baldeosingh was killed with four other soldiers in Baghdad when an IED hit their Humvee. Baldeosingh's sister says she learned of her brother's death when she received an instant message on the Internet from his wife.Baldeosingh had three children.Newsday - Soldier from Hempsteadkilled in Iraq