There is disruption on Arriva Trains Wales between Abercynon South and Merthyr Tydfil due to flooding at Merthyr Vale.
The company says all lines are currently blocked and it does not have an estimate for when a normal service will resume.
More top news
Evidence into the death of Trudy Jones is expected to be heard in an inquest into the killing of Britons in an attack in Tunisia.
The Government is being urged to "radically reshape" the energy market to avoid more job losses in the steel industry.
The First Minister and the Plaid Cymru leader will set out an alternative Brexit plan including continued access to the EU Single Market