Officers have charged a man under the Health Protection Regulations after approximately 30 people gathered for a party on a house boat in Hackney.
Jordy Nicholas Van Duijvenbode, 31 (19.07.89), of no fixed address, was charged on Sunday, 14 February with one count of holding a gathering of more than 30 people and one count of participating in a gathering of two or more people.
He has been released on bail to appear before Thames Magistrates' Court on Tuesday, 2 March.
Police received several calls in the early hours of Saturday, 13 February to reports of a large number of people playing music on a boat on the River Lea between Tottenham Lock and Hackney. Officers responded and located the boat off Hackney Marshes at approximately 04:20hrs.