Two lanes were closed while the bull was rounded up

The animal escaped on to the carriageway after a crash involving three vehicles and a horsebox.

The incident near Llantrisant happened at about 1445 BST at junction 34.

Two lanes were closed while the bull was rounded up and two people were taken to hospital with minor injuries.

Two rescue tenders, four fire appliances, two ambulances and traffic police were called to the scene.

As we were proceeding to the incident so the bull was heading up the slip road John Davies, fire officer

South Wales Fire Service Sub Officer, John Davies, said: "The cow was being transported in a horsebox which turned over and the animal escaped.

"As we were proceeding to the incident so the bull was heading up the slip road.

"It was quite fortunate that the traffic had slowed because of the incident which meant the bull wasn't in any danger."

The confused animal, which came free from the horsebox in which it was travelling, was ushered into an adjacent field.

A local farmer is now looking after the animal.