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.