Raz B, the former B2K singer, is in a coma in critical condition after reportedly trying to break up a fight in a nightclub in China. The singer was hit in the face with a bottle. Though he was able to return to his hotel room, he was rushed to the hospital when friends couldn’t wake him. This isn’t Raz B’s first brush with death; in 2012, the singer accidentally fell through a glass door, cut his wrist and lost an almost fatal amount of blood. Check out some of the nastiest celebrity club brawls.