Treasurer in Washington DC seeking exemption to steel and aluminium tariffs. Follow today’s news live

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Good morning and welcome to our live news blog. I’m Martin Farrer with some of the top overnight stories before Emily Wind takes you through the day.

The boss of Creative Australia has conceded at a late-night Senate estimates hearing that the Australian Pavilion at next year’s Venice Biennale may remain empty following its decision to rescind the contracts of the artist and curator it chose to represent the country. But Adrian Collette and the chair Robert Morgan told to Senate estimates last night they would not resign over the fiasco. More coming up.