According to the Report, this was reported by the ABC News channel.
The Boeing 737-800 was en route from Denver to Edmonton. There were 153 passengers and 6 crew members on board. Shortly after takeoff, a fire started in one of the aircraft's engines.
The plane made an emergency landing at Denver International Airport (USA). There were no injuries, the passengers flew to Edmonton on another plane.
The US Federal Aviation Administration has launched an investigation. According to the department, the incident with the United Airlines plane was the fourth documented case of a rabbit hitting a turbine.