Broken piece from Chinese plane crash points to mid-air breakage

Mystery has deepened over what led to the crash of China Eastern flight in which 132 people were killed on March 21. A new finding has suggested that a suspected piece of aircraft was found 10 km away from the main wreckage site. According to the fire-fighting rescue team, the piece is about 1.3 meters long and 10 centimetres wide. Investigators say that if true, the ill-fated jet suffered some kind of mid-air breakup. Watch this video to know more.