Is the party over for Boris Johnson?

Boris Johnson admitted he did attend a gathering during the first lockdown. He apologised for spending 25 minutes at the Downing Street garden drinks in May 2020, but said he thought it was a “work event” rather than a party. He has rejected some MPs' calls for his resignation, saying we should wait for the inquiry from senior civil servant Sue Gray. But what’s next for Boris Johnson - and who is Sue Gray?  Our Political Correspondent Gary Gibbon guides us through the last week in Westminster.