United States Secretary of State Mike Pompeo has reiterated his request for U-S allies to help protect inetrnational shipping in the Gulf region.
Mr Pompeo is calling for a U-S led coalition to ensure vessels can pass safely through the Strait of Hormuz after Iranian forces seized several foreign tankers.
Australia is among the countries that have been asked to join the coaltion.
Defence Minister Linda Reynolds says the U-S request is very complex.





