Lima - At least 20 people died when two riverboats collided in Ucayali, an Amazonian province of Peru, RPP radio reported Tuesday.

There were no passenger lists, and the death toll was being estimated from the number of survivors. Witnesses said that the two boats were carrying a total of more than 100 people, most of whom were able to safely escape after the mishap.

The accident occurred near San Jose de Pacache. (dpa)