The Comanchero and Hells Angels were also believed to be involved in a clash at Sydney Airport on Sunday, 22 March 2009. The clash resulted in one man being beaten to death and police estimated as many as 15 men were involved in the violence. Police documents detail the brawl as a result of a Comanchero Club member and a Hells Angels Member being on the same flight from Melbourne.[12] Six Comancheros were arrested as a result of the altercation and have been convicted of "riot and affray", while Comanchero president Mick Hawi was also found guilty of murder on 2 November 2011.[13] As a result of heightening violence, New South Wales Premier Nathan Rees announced the state police anti-gang squad would be boosted to 125 members from 50