The Army has grounded its fleet of CH-47 Chinooks after it discovered fuel leaks that caused engine fires in multiple helicopters. Army spokeswoman Cynthia Smith said in a statement that the fuel leaks caused a “small number of engine fires among an isolated number of H-47 helicopters.” The issue has not caused any injuries or deaths, but the fleet will be temporarily grounded until the Army can fix the issue, Smith said. The Army’s decision to ground the Chinook fleet...