Your morning briefing, the business news you need in just 15 minutes.

On today's podcast:

(1) The European Union says it will respond to any tariffs the US might impose on it. The warning comes after President Trump pushed forward with his pledge to place a 25% tariff on all US steel and aluminium imports.

(2) Despite Trump's insistence that there would be 'zero exemptions'. The US President says he will "give consideration" to a carve-out for Australia. Those comments were also echoed by the country's Prime Minister Anthony Albanese, after a call between the two leaders.

(3) The growing prospect of a trade war comes as the the UK's new ambassador to the US -- Peter Mandelson -- says it's important for allies to respect Trump's electoral mandate.

(4) A group of investors led by Elon Musk has offered to buy the nonprofit that controls OpenAI for $97.4 billion, escalating a clash between the Tesla chief executive and the artificial intelligence company he co-founded.

(5) A Bank of England voting member who backed an outsized interest rate cut last week sees companies struggling to raise prices as consumers pull back on spending.

(6) Europe is teetering on the edge of its next energy crisis after natural gas prices soared to the highest in two years.