Several people have been hurt in a collision between a train and a minibus carrying children in northern Belgium, federal police said Tuesday. The accident happened at a level crossing near the town of Buggenhout, about 30 km northwest of the capital, Brussels.

Police said that “several people” were hurt in the accident, but were unable to provide further details. Belgian broadcaster VTM said that four people, including two teenagers, the bus driver, and another adult, were killed.