MIAMI, July 5, 2009 (AFP) - One person died early Sunday after two monorail trains collided at the Disney World amusement park in Orlando, Florida, CNN television reported.

The network said the accident, the cause of which remains unknown, occurred at about 2:00 am (0600 GMT). The victim was one of the monorail drivers.

Due to the early hour, the trains had very few passengers who were not hurt, CNN said. The accident is under investigation.