Two people have died in a road crash in Co Louth.

A 22-year-old man and a 17-year-old girl were killed when their car went off the M1 and hit a fence near Milltown this morning.

The single-car crash happened at about 4.30am on the southbound lane of the M1, between junctions 15 and 16. No other vehicles were involved.

Both victims are believed to be from the Dundalk area.

The road had been closed for a technical examination of the scene, but has since reopened.

Gardaí are appealing for any witnesses to the crash to contact them.

Anyone who may have witnessed the collision is asked to contact Ardee Garda Station on 041-6871130 or the Garda Confidential Line 1800-666-111.