Update 10.15am: The M3 has reopened after stray cattle forced its closure in both directions for about three hours this morning.

However, drivers are warned of a 12km tailback on the motorway in Meath.

Earlier:

Up to five cars have been involved in multiple collisions with cattle on the M3 in Meath this morning.

Gardaí have closed off the motorway between Junctions 5 and 7 as they deal with the scene.

There are stray cattle on both sides of the road between Dunshaughlin and Skryne and a number of the animals have been injured.

However, it is understood none of the occupants of the vehicles have suffered serious injury.

The road is expected to remain closed for some time.