The World Tonight

Aid trucks have entered the Sudanese region of Darfur from Chad after a four month gap, bringing food to a population now at risk of famine. Could this lead to a broader deal to end the country's devastating civil war? We speak to the US special envoy, Tom Perriello, who leads the peace talks in Geneva.

Also in the programme:

Is it time to scrap the policy of compulsory resits for students who don't make the grade in GCSE English and Maths?

And, the life and legacy of Irish feminist icon, Nell McCafferty, who dies at the age of 80.

British tech tycoon Mike Lynch and his 18-year-old daughter Hannah Lynch are among the six people still missing after a British-flagged superyacht, named the Bayesian, sank in a storm off Sicily on Monday. Fifteen people, including a woman and her one-year-old baby, were rescued; one body has been recovered. Divers have been struggling to enter the wreck which is lying on its side, nearly 50 metres under the water. We assess the challenges facing rescue teams with a marine salvage expert.

Also on the programme:

An exclusive interview with the gay British-Mexican man who has returned to the UK after being convicted of drug charges in Qatar;

The Scottish sandwich shop offering customers ‘seagull insurance’ for an extra £1…

In depth reporting, intelligent analysis and breaking news from a global perspective.

In depth reporting, intelligent analysis and breaking news from a global perspective.

In depth reporting, intelligent analysis and breaking news from a global perspective.

In depth reporting, intelligent analysis and breaking news from a global perspective.

Report criticises failings in treatment of Valdo Calocane.

Paranoid schizophrenic killed 3 people in Nottingham last year

Also:

US Secretary of State Blinken postpones trip to Middle East

How the City of London is preparing for climate change

And why air conditioning units are getting people hot and bothered in Portofino.

Ukraine’s top commander has said Kyiv’s forces now control 1,000 square kilometres of Russia’s neighbouring Kursk region as they press their biggest cross-border incursion in two-and-a-half years of full-scale war. We get an update from Sumy, the region of Ukraine which borders Kursk, and hear from an ally of Vladimir Putin.

Recriminations in Spain over failure to arrest former Catalan leader

Carles Puigdemont reveals that he's in the Belgian town of Waterloo.

Also:

10 years on from the Yazidi crisis in Iraq.

Astronomers get ready for the Perseid meteor shower.

And a heartwarming story that emerged from the UK’s recent riots.

ABC News has announced that Donald Trump and Kamala Harris will face off in a Presidential debate on 10 September. Speaking at his home in Florida, Trump said he's agreed with other broadcasters to two further debates. Trump's press conference was intended to regain momentum as his campaign appeared to falter after the Democratic nomination passed to Harris.

Here in the UK, Northern Ireland's Assembly was recalled from summer recess in response to racist riots in Belfast. We spoke to Justice Minister Naomi Long.

And a boxer who lives in Bolton has become the first medal winner for the Refugee Olympic Team after claiming bronze in the middle-weight division.