Australia news live: Richard Marles left adrift as UK counterpart quits hours before scheduled visit to naval yard

Good morning and welcome to our live news blog. I’m Martin Farrer with the top overnight stories and then it will be Nick Visser with the main action. We kick off with news from the UK, where our deputy PM and defence minister, Richard Marles , was visiting for a ministerial summit but had the wind taken from his sails when his British counterpart abruptly quit over defence funding. More on that coming in a minute or two.