Two men have been charged over separate incidents of allegedly sending threatening emails to radio talkback hosts following the Cronulla riot. Detectives from Strike Force Enoggera, investigating the December riot and subsequent revenge attacks, today arrested a 19-year-old man during a raid on a home in McGirr Parade, Warwick Farm, during which they also seized a home computer. The man was taken to Liverpool police station and charged with using a carriage service (the email system) to make threats and a second offence of using a carriage service to menace, harass and offend. He was refused bail to appear at Liverpool Local Court later today.A second man also was arrested today for allegedly sending threatening emails to another radio talkback host in December. The 21-year-old was arrested at his home in Emmet Street, Callala Bay, near Nowra and police also seized a computer for forensic examination. The man was taken to Nowra police station and charged with one offence of using a carriage service to threaten serious harm and a second offence of using a carriage service to menace, harass and offend. Police will allege the man sent two threatening emails from his home computer. He was granted conditional bail to appear at Nowra Local Court on March 13, 2006.