The band - singer Kele Okereke, guitarist Russell Lissack, bassist Gordon Moakes and drummer Matt Tong - posted a picture of themselves on their twitter page.

It was accompanied by the message: “Merry Christmas from the Bloc. X”

Bloc Party have been on hiatus since they completed touring their third album, 2008's 'Intimacy', last year.

Since then, Okereke has launched a solo career under the pseudonym Kele, while Lissack has performed with Ash.

It is not clear whether the photo marks the start of a comeback for the band.

(by Jason Gregory)