BERLIN — Police said that four people died and thirty were injured when a train carrying passengers derail near a popular hiking and ski destination in southern Germany.

Fifteen of the injured were receiving hospital treatment, a police spokesperson said, adding that 60 people had been on board at the time of the crash, which occurred north of Garmisch-Partenkirchen in Bavaria.

According to the official, police and the prosecution have opened an investigation into the accident’s cause.

There was no information on the identities of the deceased or the fate of the driver.

A spokesperson in the Garmisch-Partenkirchen district office had previously reported that 60 people were hurt in the accident.

There were many school students on board the train, the regional Muenchener Merkur newspaper reported, citing local paper the Garmisch-Partenkirchen Tagblatt.

Social media photos showed carriages from a regional double-decker train stuck between trees and rolling down an embankment. There were also people being taken away on stretchers, and standing on the tracks.