UPDATE 10.24am: Traffic is clear and moving normally.

A BROKEN down car is causing severe tailbacks on the A4042.

The car - which broke down near Gwent Police headquarters in Croesyceliog - has been moved off the carriageway.

However, traffic is still moving very slowly.

The tailbacks are stretching all the way from Turnpike Road to the A4043.

MORE NEWS:

Police have asked drivers to use alternative routes.