Faster trains between Swansea and London could be running by 2018. The line's electrification is part of an almost one billion pound plan by Network Rail to upgrade the country's railways. Improvements are also planned for the route along the north Wales coast. Here's Carl Edwards.
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Fine and sunny tomorrow morning with lots of sunshine to start the day. Feeling colder though, with maximum temperatures of 13°C.
Kathryn Tresilian reports from the town where the body of a 47-year-old woman was found dismembered in Pontypridd on Friday.
Some bright spells this afternoon, with outbreaks of rain. Top temperature 15°C.