Chris Brown accused of nightclub bottle attack by music producer.

A music producer has accused rapper Chris Brown of hitting him over the head with a bottle during a nightclub attack at The Tape club in London's Mayfair on February 19. The producer claims he was also punched and kicked as he lay on the ground. Brown had offered to voluntarily attend a London police station for questioning but sources say he did not meet officers and is now back in the US. The Metropolitan Police have refused to comment on the identities of anyone they wish to speak to, saying: 'Inquiries continue.'