A driver speeding on the M4 at 121mph was stopped by the Roads Policing Unit this afternoon.

He will be off to court for exceeding the 70mph speed limit, according to Wilts Specialist Ops.

The RPU has been out today catching speeding motorists on the M4. This morning, they caught five drivers travelling at 97mph and 95mph in the space of 30 minutes.

Swindon Advertiser: