Boris Johnson faces Sir Keir Starmer and MPs at Prime Minister's Questions | Watch Live

Boris Johnson takes on Labour leader Sir Keir Starmer at Prime Minister's Questions.

The backdrop of today's exchange is likely to focus on a Downing Street Christmas party, which is claimed to have happened amid strict Covid lockdown regulations.

Boris Johnson's being urged to 'come clean' about a Christmas party allegedly held at Downing Street during lockdown last year.

A leaked video seems to show staff joking that there was "no social distancing" at a "cheese and wine event".

Number 10 has denied breaching any covid rules.

Watch live from 12pm.