A cockpit warning about a cargo door went off mid-flight on an Airbus A380 . The superjumbo , headed for Hong Kong , turned back to Singapore , the airline says . CNN 's Euan McKirdy contributed to this report . Score: 7
A cockpit warning about a cargo door went off mid-flight on an Airbus A380 . The superjumbo , headed for Hong Kong , turned back to Singapore , the airline says . Score: 7