james landale reports. this is not where flight fr4978 was supposed to be this afternoon, on the ground at minsk airport. the ryanair flight with about 170 people on board left athens this morning bound for vilnius. butjust before the aircraft entered lithuanian airspace, it suddenly headed east. according to ryanair, the crew were warned of a potential security threat and ordered to land at minsk. for good measure, a belarusian warplane armed to the teeth was dispatched to escort the aircraft in. but no bombs were found on board. instead, this man was taken off the plane and arrested. roman protasevich is a well—known belarusian opposition journalist and is wanted by the authorities for organising protests last year. according to the belarus state news agency, the operation was ordered personally by the country's authoritarian