The UK PM, Boris Johnson, has said the country will suspend all travels from Monday morning to guard against the risk of unidentified new strains of Covid-19.
Anyone flying into the country from overseas will be granted access upon presenting proof of a negative Covid test, he added.
The PM said the new rules would be in place until at least 15 February.
A further 1,280 people with coronavirus have died in the UK within 28 days of a positive test, taking the total to 87,291.
The latest government figures on Friday also showed another 55,761 new cases had been reported – up from 48,682 the previous day.
Meanwhile, more than two million people around the world have now died with the virus since the pandemic began,