No decision has been reached on the future of the Unity Mine at Cwmgwrach in the Neath Valley - despite a second day of talks.
There are fears that as many as 150 jobs are under threat - that's three quarters of the total workforce.
Wayne Thomas, from the National Union of Mineworkers, told ITV News talks will remain 'ongoing' with senior management figures over the next few days.
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Carl Edwards has the latest edition of Newsweek Wales
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