This video shows Dame Helen Mirren, dressed in her costume as the Queen, confronting the drummers outside the Gielgud theatre in London.
The footage was filmed by comedian Chris Dangerfield who lives in Soho.
More top news
The mother of a boy who is in a critical condition in hospital after he was stabbed in a street attack has issued an emotional appeal.
Police said seven men were arrested during West Ham's EFL Cup fourth round win over Chelsea at the former Olympic Stadium.
Damon Smith, 19, has been charged with making or possessing an explosive substance with intent to endanger life.