	australian tug crews delay foreign container s tug crews are preventing the movement of foreign flag container vessels in and out of the ports of sydney melbourne and fremantle ping sources said they said maritime unions imposed bans on late wednesday for reasons that are obscure but seem to be linked with claims for a pay rise above the dlrs a week awarded by the arbitration commission nationally to all workers recently only about vessels are being delayed but the bans will affect container terminal movements and will disrupt liner schedules they said the dispute goes to the commission on monday they said reuter 
