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Australian navy base security breached by intruder

30 November 2012 Last updated at 10:34 GMT

A search is under way after a security breach at a naval base in Darwin, Australia, in the early hours of Friday morning.

Police say an intruder overwhelmed a crew member on board a moored patrol boat, before stealing a number of weapons.

Speaking in Sydney, Royal Australian Navy chief Vice Admiral Ray Griggs said police were investigating the incident.