Police failed to punish 1,800 people who likely breached travel quarantine - despite checking and finding they weren't at home.
Quarantine rules were today blasted as "full of holes" after official statistics appeared to show a major loophole in the law.
As of December 20, forces in England and Wales had issued 335 £1,000 fines to travellers for failing to self-isolate on arrival to the UK.
Yet in 1,837 cases they checked, found a person wasn't at home as promised - but issued no fine because they couldn't find them.
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