Radiohead frontman Thom Yorke and 3D of Massive Attack showed support for Occupy London protesters at a secret gig.

The pair teamed up to play a DJ set to “thank” activists from Occupy London who have been protesting against cuts and saying ordinary people should not pay for the financial crisis.

They performed to a small audience of around 100 people in the basement of the “Bank of Ideas”, an abandoned UBS-owned office block in Hackney, east London.

Posters with slogans such as “Save our squatters” and “Big Sister is watching you” adorned the walls of the room, which was decorated to look like an office Christmas party.

Neither musician spoke to the audience, but both clapped the crowd as they applauded at the end of the hour-and-a-half set.

Campaigners have been camped in the courtyard of St Paul’s Cathedral since October 15. The group also occupies Finsbury Square in Islington, north London, as well as the building where the gig was held.

Other famous faces to have shown solidarity with the protesters are playwright Alan Bennett and fashion designer Vivienne Westwood, who both visited them at St Paul’s.