A traffic light system that will categorise countries based on their COVID-19 risk levels is part of potential plans to safely restart foreign holidays.
The government has refused to confirm whether foreign holidays will be permitted from 17 May - and where Britons will be able to travel without self-isolating on their return.
Ukraine's president has visited the country's eastern frontline amid an escalation of tensions with neighbouring Russia that has raised fears of a resumption of large-scale hostilities.
