A British Airways Boeing 777-200, performing flight A-2167 from London Gatwick to Tampa, FL (USA), was enroute at FL390 about 500nm northeast of Bermuda when the aircraft encountered turbulence causing injuries to 12 passengers and 2 crew.
The aircraft continued to Tampa for a safe landing about 3.5 hours later.
"The FAA reported 12 passengers and 2 crew received “unknown” injuries, the aircraft sustained “unknown” damage."
The occurrence was rated an accident (indicating serious injuries and/or substantial damage) and is being investigated.
The occurrence aircraft remained on the ground in Tampa for about 5.5 hours, then departed for the return flight.