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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Breezy overnight. It will become fairly cloudy as the night progresses.
It should turn cloudier through the early hours with some patchy drizzle and some hill fog too.
It will be a breezy day with variable amounts of cloud and some bright or sunny spells.