Tail part of crashed Florida Learjet came off before impact: NTSB

The US National Transportation Safety Board (NTSB) said part of the tail of the Learjet 60 that crashed in Florida came off before impact. NTSB member Tom Chapman said investigators found most of the left elevator in three pieces 1.3 to 3.8 miles from the crash site. The NTSB has not determined a cause of the crash that killed nine.