The latest UK coronavirus updates as Prime Minister Boris Johnson outlines new COVID rules in the Commons – and then leads a 7pm briefing from Downing Street.

Key points:

• PM announcing three-tier lockdown system in Commons from 3.30pm
• Boris Johnson will then lead 7pm news briefing with Chancellor Rishi Sunak and Professor Chris Whitty
• Liverpool among areas facing ‘Tier 3’ lockdown – pubs, bars and gyms expected to close
• Greater Manchester and Birmingham will be placed into a Tier 2 lockdown, local MPs say, with pubs that serve food open but no household mixing indoors
• Nightingale hospitals to be mobilised in Harrogate, Sunderland and Manchester
• Most A-level and GCSE exams in England will be delayed by three weeks next year due to the pandemic, education secretary says
• Northern Ireland weighs up ‘circuit-breaker’ lockdown as hospitals run short of beds
• What we know about the three-tier COVID-19 restrictions
• Live updates from Amy Coles, news reporter