The World Tonight BBC Radio 4

After Humza Yousaf's resignation we ask who is most likely to succeed him as first minister - and what the dramatic development means for Scottish independence - and UK politics.
Also on the programme:
Anger in Dublin after Rishi Sunak says a rise in asylum claims in Ireland shows the UK government's Rwanda policy is working.
And why are more people than ever signing up to run marathons?

The Foreign Office has summoned the Russian Ambassador after two British men were charged with helping Russian intelligence. We explore the potential threat of alleged interference abroad by Moscow.
Also on the programme:
The King is to return to some public duties - they'll be the first since it was revealed he'd been diagnosed with cancer.
Pro-Palestinian demonstrations on university campuses are growing across the United States - and so is the political backlash. A Republican congressman tells us it's time to clamp down harder.
And who's to blame when debris from the International Space Station crashes through your roof? We explore the growing problem of space junk.

The future of Scotland's First Minister hangs in the balance as he faces a vote of no-confidence next week. Humza Yousaf ended his power-sharing agreement with the Greens, who will vote to oust him.
Also on the programme:
Hollywood actor Ashley Judd, who was one of the first women to accuse Harvey Weinstein of sexual harassment, relates her dismay after his 2020 rape conviction in New York was overturned.
And we speak to the astrophysicist who's using the James Webb telescope to investigate signs of life on a distant planet.

US President Joe Biden has signed into law a long-awaited military aid package for Ukraine. We assess how quickly the munitions will reach Ukraine - and ask how much of a game-changer they could be on the battlefield.
Also on the programme:
Thousands of pro-Palestinian student protesters have clashed with police across the US - as demonstrations spread to more college campuses. We're live in New York where the protests began.
We speak to Britain’s first qualified astronaut in more than a decade.
And politicians and trainers - is it a good look?

US campus protests erupt overt Israel-Gaza war.
Hundreds of arrests at American universities as tensions rise.
Also:
The council in Berkshire preparing to vote on plan to build homes on land made famous by Watership Down.
And the 50th anniversary of Portugal’s “Carnation Revolution”.