The First Minister has repeated his insistence that the UK Government should pay for the electrification of the South Wales Valleys Lines. Opponents and ministers in London say there was an agreement on sharing the costs.
But during First Minister's Questions in the Senedd, Carwyn Jones said comments by senior UK Government figures amounted to promises to pay the full bill.
The Welsh Secretary David Jones says the Welsh Government must stand by an agreement to fund Valley Lines electrification
The Welsh and UK Governments are arguing over who should pay the bill for rail electrification in the South Wales Valleys