The motorway was closed in between junction 37 and 38 due to an ongoing police incident.

Wiltshire Police said the ducklings were taken to a rescue centre to be cared for.

Police said the crash happened on the M4 near Bristol shortly before 10:35 BST on Monday.

It is the fifth in a series of weekend and overnight closures on the M4.

The Department for Transport approved the outline business case for upgrades to junction 17 of the M4.

The M4 westbound near Bristol, was closed for several hours after a lorry carrying hay caught fire.

Emergency services are at the scene as drivers are advised to leave extra time for their journeys.

The M4 has been closed in both directions while the horses are transferred to another vehicle.