People have been informed that “travel is not allowed” and that “quarantine is compulsory on your return” on the advice of the Belgian Ministry of Foreign Affairs.
Leicester is one of the “red zone” risk destinations in the country’s travel advice, which also includes the regions of Portugal and Spain.
The city was the first in England to face a local foreclosure following a peak in coronavirus infections.
Belgian advice is based on “information currently available”, according to a note on the government website.
Citizens will still be allowed to visit other regions of the EU, the Schengen area and other parts of the United Kingdom.
Leicester returned to lockout on June 30, people being asked to “stay at home as much as they can”, while travel inside and outside the city is prohibited, except in cases of absolute necessity.
The local foreclosure means that the city has not benefited from the more flexible restrictions that have been in place for the rest of the UK since July 4.
Pubs, restaurants, hotels and hairdressers remained closed and non-essential stores had to close again.
The MP for Leicester East warned that tougher measures were threatening businesses and jobs in the city while the rest of the country went live.
Claudia Webbe wrote to Chancellor Rishi Sunak asking for “the financial support she desperately needed” and said the locals were “anxious and confused”.
Labor MP MEP Webbe also said the ministers were too slow to provide the Leicester City Council with data and information “essential to the fight against the virus at local level”.
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Over 70 countries and the territories are currently exempt from quarantine rules for travel to England.
Those arriving in England from these countries – including Belgium – will not need to quarantine for two weeks. They will have to provide an address where they will stay.