ITV News journalist Guy Phillips is stuck at Didcot Parkway in Oxfordshire. His train has been terminated at Didcot. First Great Western Trains have promised buses to Swindon but Guy has been told many as buses are on the school run. Some passengers are heading back to Reading.
Train services between London and the West are at a standstill in the Thames Valley this morning due to a major power failure in the Swindon area. No trains are running in either direction.