A number of parties were held in Downing Street in the run-up to Christmas last year while indoor mixing was banned in London under COVID restrictions, Sky News understands.
Following reports that a large party was held in late December, it has also emerged that Number 10 staff gathered after work and drank alcohol to wind down, despite rules stating that mixing between household bubbles was banned.
On 18 December, 40 people attended a bash in Downing Street, where staff drank, chatted and celebrated late into the night, according to a report in The Mirror newspaper.
Sky News understands the individuals at this party let their hair down with games, food and drink.
It has been reported as a Christmas party, but one government aide said it was convened to say goodbye to a colleague working in Downing Street who was moving to a new role elsewhere.
On 16 December, two days before the large Downing Street bash allegedly took place, London moved into Tier 3 restrictions, where all indoor mixing was banned unless individuals were in household bubbles.
Downing Street has insisted that no rules were broken during the period.
When pressed on the gatherings staff held throughout the period a Number 10 spokesman said: "COVID rules have been followed at all times."
On Tuesday, Downing Street was forced to deny claims that Boris Johnson broke coronavirus rules with parties at Number 10 last Christmas after the Mirror newspaper claimed the PM made a speech at a leaving do on 27 November - when the country was in the second lockdown.
The PM's spokesman on Wednesday reiterated at a regular briefing with journalists that "at all stages the rules have been followed".
COVID-19: Number of parties held at Downing Street in run-up to Christmas last year, Sky News understands
On Tuesday, the Mirror claimed the PM made a speech at a leaving do on 27 November - when the country was in the second lockdown - and allowed a festive party to proceed on 18 December when London was in the grips of Tier 3 restrictions.
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