A CAR which caught fire caused one lane of the M4 to be closed.

The incident happened on the eastbound carriageway between junctions five and four at around 11am this morning.

Three fire pumps attended the scene as a Vauxhall Astra set alight after a mechanical malfunction.

The car was completely destroyed by the fire and the M4 was fully reopened after half an hour.

No-one was injured in the fire.