Tensions have risen in the United States Senate, with one senator calling the decision to impose tariffs on Australia "insulting", saying it undermined national security and damaged relationships.

"The idea that we are going to whack friend and foe alike — and particularly friends — with this level [of tariffs] is both insulting the Australians, undermines our national security, and frankly makes us not a good partner going forward.

"The lack of trust from friends and allies based upon this ridiculous policy that goes into full effect at midnight tonight is extraordinary.

(not sure where best to post this since it's Australian.. foreign politics?)