Murco refinery at Milford Haven
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Threat to Murco refinery's future at Milford Haven

3 April 2014 Last updated at 19:39 BST

Four hundred jobs are under threat at one of Wales' biggest oil refineries.

Bosses at the Murco plant in Milford Haven told BBC Wales it could face closure after talks with a potential buyer broke down.

But the company says it will continue to negotiate with other interested parties.

BBC Wales business correspondent Brian Meechan reports

Jobs threat as refinery could close