The Northern Ireland Ambulance Service is dealing with a "major incident" after a school bus with dozens on board overturned in County Down.

Emergency services are at the scene on the Ballyblack Road East in Newtownards

The Northern Ireland Ambulance Servce (NIAS) said it is dealing with a "major incident" involving a bus carrying up to 70 passengers in Co Down.

Up to 70 people were on board.

A major incident has been declared in Newtownards in County Down, Northern Ireland, following a crash involving a school bus, said to be carrying around 70 youngsters

Ambulance crews said they were dealing with a "major incident" this afternoon.

Four people have been hospitalised following a crash involving a school bus near Newtownards in Co Down.

A large amount of emergency service resources responded to the scene at Carrowdore.

The PSNI described the incident as a "serious road traffic collision"

The Northern Ireland Ambulance Service (NIAS) said it is dealing with a "major incident" involving a bus with up to 70 passengers in County Down this afternoon