A signalling problem near Chippenham is causing delays on many First Great Western services this morning.

National Rail have said that there are delays of up to 10 minutes to trains between Bath Spa and Swindon but services between Westbury and Swindon will be cancelled.

Passengers to and from Melksham will be provided with road transport. 

Passengers travelling between Westbury or Trowbridge and Chippenham or Swindon are advised to travel via Bath Spa

Disruption is expected to continue until approximately 4pm.