Military transport aircraft Hercules C-130 crashed on a hotel and nearby houses in the Indonesian city of Medan.
According to preliminary data, more than 50 people were killed, and the death toll is expected to rise.
Representatives of the Indonesian Air Force said that it could be a problem with the engine that caused the crash. Prior to the crash, the pilot contacted a flight control officer, reported the problems and was going to return to the base. However, "the plane crashed as it was turning back to the airfield.