British Transport Police are appealing for help to catch thieves who stole fourteen thousand pounds worth of cabling from tracks in the Rhymney Valley.
They say recent legislation, which makes it illegal for scrap metal dealers to give cash, is going some way to reducing the problem. But as Hannah Thomas reports, they've still got a big fight on the hands to stop it altogether.
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It will remain breezy with further blustery and at times thundery showers.
Here's our gallery of some of your St David's Day pictures.
Showers becoming increasingly wintry even to lower levels, bringing an ice risk.