Pair have been friends since 2009, but security concerns were raised because of the Russian tycoon’s father, a one-time Moscow spy
The theme of the party attended by Boris Johnson was unmistakable. On the first floor was a mural of Joseph Stalin, dressed in green military uniform. A hammer and sickle decorated the windows. In the centre of the room was an ice sculpture in the shape of a pistol, from where a barman dispensed vodka shots.
A gun – presumably fake – lay on a red double bed in the basement, next to an outdoor smoking area. “Do you like my gun?” the party’s host, Evgeny Lebedev, reportedly asked one visitor. There was also a stuffed bear.