Starting with 08.06.2020, United Kingdom introduces the quarantine for persons entering its territory.
Passengers traveling to this country have to fill in a statement which can be found in this link: https://www.gov.uk/provide-journey-contact-details-before-travel-uk
We inform you that this statement is mandatory and you are not allowed to enter the UK teritory without it.
More information:
New health measures at the UK border-regulations introduced in England June 2020