Two children are dead and two other children are being treated in hospital after the van they were travelling in was struck by a CP train at a level crossing east of Windsor.

The male adult driver was also taken to hospital, his injuries and the injuries of the surviving two children are currently undetermined.

The incident happened on Strong Road just before 10:00 a.m. Sunday morning.

Strong Road was set to be closed for several hours as the OPP Technical Collision Investigators investigate the crash.