Eleven elementary school children, between the ages of 10 and 12, were killed when a truck fell into a ravine in Cebu, central Philippines on Friday morning.

Local media Cebu Daily News reported that the victims were taking a ride in a mini dump truck to attend an event in the town of Boljoon, near where the truck fell off a roadside cliff at around 7:00 a.m.

Boljoon public information officer Ruben Nieri confirmed the incident, saying that at least 20 more individuals were brought to a hospital for treatment.

An investigation into the incident and a search-and-retrieval operation are ongoing, local media reported.