BELGIUM has demanded people arriving from Leicester must quarantine for two weeks - while the rest of the UK is free to enter the country.
The East Midlands City was the first to be placed into local lockdown in the UK after a surge in coronavirus cases were recorded over a two-week period.
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And the city has now been classed as a "red zone" by Belgium health authorities.
It means that Belgium locals have been told not to travel to Leicester while it remains in tighter lockdown measures due to the spike. Anyone travelling from Leicester to Belgium will have to isolate for 14 days.
Leicester is the only UK city to be included in the list and is now alongside Portugal - which has recorded more than 1,600 deaths - and Spain - which has reported 28,000 deaths - classified as "red zones" by Belgium health authorities.
Advice from the Belgian foreign affairs department states that "travel is not allowed" and "quarantine is mandatory upon your return".
The regularly updated advice is based on "currently available information," according to a note on a Belgian government website.
However, Belgians have been given the go-ahead to travel to other areas of the EU, the Schengen zone and other parts of the United Kingdom.
Matt Hancock this week revealed Leicester's infection rate over seven days had dropped since the lockdown was re-introduced - decreasing from 135 to 117 cases per 100,000 people.
But it is unclear what number the city needs to reach before the lockdown will be lifted.
The rest of the country has been able to enjoy relaxed guidelines which has meant restaurants, pubs and hairdressers have all been able to open.
Meanwhile, Carlisle in Cumbria has recorded a "concerning" spike in cases with public health chiefs warning "we cannot ignore this".
It comes as authorities today warned that there could be another spike in cases in the winter with it believed the bug thrives in temperatures about 4C.
A senior member of The Scientific Advisory Group for Emergencies (Sage) said the virus is believed to "like" 4C - possibly explaining why it spread so quickly in February and March in the UK.
And one senior official said in a stark warning to the Daily Mail: "We can get away with a lot at the moment because it is summer.
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BRITS were allowed to go on holiday abroad from yesterday without quarantining back in the UK as the government relaxed the rules in England.
Last week, it was announced that travel restrictions to 75 countries across Europe, Asia and the Caribbean would be lifted to allow holidays once again.
From July 4, the government advice against non-essential travel has been lowered for the air bridge destinations.
And from July 10, Brits no longer need to quarantine for two weeks when returning to England.
Just 25 of the countries will also allow Brits to visit without any tests or quarantines upon entry, which include Croatia, Denmark, France and Germany.
"It is really important that people get ready for the challenges that winter will undoubtedly bring."
Just one example of the bug's high rate of infection in the winter has been seen in Melbourne, Australia.
The country's second biggest city has re-entered another six weeks in lockdown after 75 new cases were reported on Monday followed by a spike of 73 on Tuesday.
Australia is currently heading into winter, with the average high temperature for Melbourne sitting at 13.5C while the average low temperature is 6C.
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Across the whole of the UK, the Covid-19 reproduction number has remained stable since last week at 0.7 to 0.9.
But the latest regional statistics released today by the Government show it has crept up to between 0.8 and 1 in England after rising in the South.
The R rate has also risen above 1 in the South West where it is now at 0.7 to 1.1, while the South East is 0.7 to 1.0.