The future of Britain's Friday teatime staple - fish and chips - could be under threat due to overfishing, conservationists warn.

Oceana UK is urging the government to set catch quotas, or risk key fish stocks facing "imminent" collapse.

A report from the charity says many fish stocks are in a perilous state, with half of the country's top 10 commercial stocks either at critically low levels, being over-exploited, or both.

That includes the North Sea's cod, for which scientists have recommended a "zero catch" quota this year to protect stock, edible crab populations, herring, and North East Atlantic mackerel.

Overall, just two fifths (41%) of 105 UK commercial fish stocks are assessed as being in a healthy state, the report adds, with more than a quarter (27%) overfished.

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