Two radical who attended a Christmas enactment astatine Conservative office past twelvemonth are to look questions from police.
The gathering, held erstwhile London was nether Tier 2 restrictions, was organised by members of mayoral campaigner Shaun Bailey's team.
Scotland Yard said officers would interaction 2 radical who were contiguous successful narration to alleged breaches of coronavirus regulations astatine the event.
The unit said it was not investigating claims of parties astatine Downing Street.
In a statement, the Met said detectives had considered a "significant magnitude of material" received successful effect to reports astir Number 10.
None provided grounds of a breach of regulations, it said, "but restated allegations made successful the media".
The unit said it remained successful interaction with the Cabinet Office, which has launched its ain probe into reports of parties successful authorities buildings.
"If immoderate grounds emerges of behaviour that is perchance a transgression offence it volition beryllium passed to the Met for further consideration," it added.
The unit did not accidental whether accusation passed connected by the Cabinet Office had led it to question retired the 2 attendees of the enactment astatine Conservative HQ.
Mr Bailey discontinue arsenic seat of a constabulary and transgression committee connected Tuesday aft the Daily Mirror published a photograph taken astatine the 14 December 2020 event.
Restrictions successful London astatine the clip banned household mixing.
Greater London Authority Conservatives antecedently said Mr Bailey chose to measurement down to forestall the "unauthorised societal gathering" distracting from his wider committee work.