POWER supply problems affecting signals are causing severe disruption to train services through Didcot Parkway station this evening.

First Great Western is running an emergency timetable on its routes between London, Oxford, the Cotswolds, Swindon, Bristol and South Wales, with delays of up to 60 minutes expected.

CrossCountry is running a reduced service through Oxfordshire, with only one train per hour operating in each direction via Oxford and Banbury.

Chiltern Railways is accepting First Great Western tickets between London Marylebone and its stations in Oxfordshire.

The problems began at about 2.30pm. Engineers are carrying out repairs but a Network Rail spokesman said they could not give an estimated time for the work to be completed.

For the latest information, see the FGW and CrossCountry websites, or call 08457 484950.