Lima - At least 16 people were killed in a bus accident Friday in Peru, police said.

The bus, carrying 56 passengers, plunged down a ravine in Cusco Province. A number of other passengers were injured.

Police said they could not rule out finding more bodies in the ravine. It was not known why the driver lost control of the bus.

Frequent bus accidents in Peru are often blamed on technical deficiencies in the vehicles.(dpa)