Michael Gove will chair a COBRA meeting with devolved administrations later as discussions continue about Christmas rules, according to government sources.
Ministers are trying to agree a UK-wide approach to relaxing COVID-19 restrictions over the festive period with the leaders of Scotland, Wales and Northern Ireland.
If an agreement is reached, Boris Johnson is expected to set out how families might be able to gather over Christmas later this week.
Speaking via videolink at a Downing Street news conference on Monday, the prime minister said Christmas will be the season to be “jolly careful”.