Twelve people were killed Friday when a public bus plunged into a ravine in the southwestern province of El Oro, Ecuadorian media said.
The vehicle fell some 300 meters (984 feet) after running off the road, witnesses told television stations.
The accident took place around 6:00 a.m., the witnesses said.
While Ecuador's National Police has yet to release an official report on the crash, media accounts said that at least eight of the survivors were injured. EFE