80,000 Brits in areas with the new South African Covid strain have been warned to "think again" before going out to buy food, medicine and other essential goods.
A Tory minister said people in the affected areas must think carefully before doing anything outside their home - even if it's currently allowed under England's lockdown.
And if they've already "got enough in" their food cupboard, they should consider making do with what they have, Universities Minister Michelle Donelan said.
It comes after Health Secretary Matt Hancock warned people in eight postcode areas to stay in and get a Covid test even if they don't have symptoms.
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