The crash of EgyptAir flight MS804 in 2016 was probably caused by a fire in the cockpit, French investigators say. France's civil aviation accident bureau, known as BEA, said in a press release on Friday that "the most likely hypothesis is that a fire broke out in the cockpit while the aeroplane was flying at its cruise altitude and that the fire spread rapidly resulting in the loss of control of the aeroplane". The agency said that the crew could be heard discussing a fire on the cockpit voice recorder and that systems on board had detected smoke inside the...