Westminster Council have said they are checking but it is unlikely that they would have given permission for the drummers to perform in Soho on Saturday evening. The council is responsible for enforcing noise limits in the area.
"Helen Mirren did a fantastic job of enforcement for us."
More top news
It's not just London where elections have been taking place today. There were council elections taking place across the home counties.
A list of results for London Mayor and the London Assembly
They said they wouldn't do it. But the Met Police couldn't resist the challenge set by their colleagues in Scotland.