Quito, Ecuador ? A bus believed to be speeding turned over on a curving mountain road near the capital Quito Sunday, killing 47 people and injuring five children, authorities said.

The accident Sunday afternoon was near the village of Papallacta, police spokesman Patricio Quimso said.

Quimso said the passengers were believed to be family members and friends on an all-day outing. He said they were returning to their homes in the community of Amaguana 10 miles south of Quito.

He said everyone aboard the bus was killed except for the five injured children.