Sources say Boris Johnson attended No 10 party in May 2020 lockdown 

It has been alleged that Boris Johnson was present for 15 minutes at the gathering said to have taken place on May 15 2020

Prime Minister Boris Johnson during a media briefing in Downing Street, London (Tolga Akmen/PA)

It has been alleged that the UK Prime Minister attended a party with No 10 staff during the first national lockdown in May last year.

The Guardian and The Independent reported that Boris Johnson was present for 15 minutes at the gathering said to have taken place on May 15 2020, following a Covid press conference.