David Cameron visits Scotland

The Prime Minister is visiting Scotland where he is expected to say that the UK is 'stronger and safer together'.

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Cameron says 'keep trident'

As part of his visit to Scotland, David Cameron is due to visit HMS Victorious, a Royal Navy submarine which keeps Trident nuclear missiles continuously at sea.

The Scottish National Party say they would scrap Trident in an independent Scotland.

However, Mr Cameron says it would be 'foolish' to abandon it because of the threat of nuclear attack from North Korea.

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