The 'Walks Like Rihanna' singers are upset with George's confession that tensions had been high within the band for sometime, reported Contactmusic.
"Not only has he (Max)sold his story but there are deep-rooted problems within the band that he's the source of, which have been ongoing for a while," a source said.
The other members of the band are Siva Kaneswaran, Jay McGuiness, Tom Parker and Nathan Sykes.