A car has struck a group of cyclists who were on a school camping trip, killing three children and an adult in the rural southern Netherlands.
Police said in a statement on Thursday they detained a 19-year-old man and were investigating his involvement.
Two children and an adult died at the scene. Four children were seriously injured and were taken to hospitals in the Netherlands and nearby Belgium for treatment. One of them died on Thursday evening at a hospital in Rotterdam, the Zeeland Security Region organisation said in a statement.
