A man has been killed after he was thrown from his quad bike in Co Donegal.

The man, who was in his 40s, was involved in an accident at Mullinboys near Mountcharles at around 7pm last night.

The man came off the quad and sustained serious head injuries.

No other vehicles were involved in the incident.

He was taken to Letterkenny University Hospital where he was treated.

He was then transferred to Beaumont Hospital in Dublin but died as a result of his injuries.

A full investigation into the circumstances surrounding the crash is being carried out.