President Trump has sacked Waltz as national security adviser and nominated him to serve as ambassador to the United Nations.

The US and Ukraine signed a minerals deal which President Zelensky says is an "equal partnership".

As trade wars continue, we explore how businesses of all sizes are surviving. Will tariffs dominate Apple and Amazon's earnings? And how are small businesses staying afloat?

Plus, why have Australian wine exports hit a record low? Andrew Peach speaks to a wine maker in Melbourne.