Two planes collided midair above the Nairobi National Park, sending the smaller plane crashing in the park and killing two people, police said on Tuesday. The bigger plane, a Dash 8 operated by Safarilink Aviation airline with 44 on board, including five crew members, was heading to the coastal resort town of Diani when the crew reported a loud bang soon after takeoff from Wilson Airport and decided to turn back, the airline reported.Two planes collided midair above the Nairobi National Park, sending the smaller plane crashing in the park and killing two people, police said on Tuesday. The bigger plane, a Dash 8 operated by Safarilink Aviation airline with 44 on board, including five crew members, was heading to the coastal resort town of Diani when the crew reported a loud bang soon after takeoff from Wilson Airport and decided to turn back, the airline reported.