By Fiona Leishman A flight was forced to abort its takeoff from one of the busiest airports in the US after a fire was reported on board last night. The JetBlue flight was preparing for departure from John F Kennedy Airport in New York at around 8.30pm on Saturday night when the problem was noticed. Crew contacted the control tower to inform them of their apparent problem. All those on board the aircraft, with a capacity of around 180 passengers, were evacuated so fire officials could extinguish the flames, according to the Port Authority of New York and New Jersey. Rumours began circulating o…