That was a picture of people enjoying themselves, and not just with colleagues, but also with family as well. So, yes I do think there is evidence of law breaking, not just on this occasion, but on multiple occasions. This was not a social gathering. It is palpably not a social gathering, because you had people in work suits, following meetings that they were having at work. Most of the questions in the Raab interviews, though, were not about the picture, but about whether or not the government will announce fresh Covid restrictions before Christmas.
Source: The Guardian December 20, 2021 13:05 UTC