Talks are taking place this afternoon which could decide the future of 300 jobs at two munitions depots.
The Ministry of Defence wants to shut the sites in Longtown in Cumbria and Eastriggs in Dumfries and Galloway.
A delegation of trade union and Cumbria County Council members are travelling to London to meet the new Defence Minister, Phillip Dunne to try and persuade him to keep them open.
Dumfriesshire Clydesdale and Tweeddale MP David Mundell took time out from the Conservative party conference to speak to our cameras about how important a decision this is for the area.
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