In an interview with the BBC, US Secretary of State Antony Blinken says China is “helping Russia perpetuate its aggression against Ukraine”. But is there anything the US can do to stop it?Also in the programme: large scale trials begin of the first personalised anti-cancer mRNA vaccines, given in combination with antibodies as a treatment for the skin cancer melanoma; and Denmark abolishes a public holiday - to spend more money on defence.(IMAGE: U.S. Secretary of State Antony Blinken meets with Chinese President Xi Jinping at the Great Hall of the People, in Beijing, China, April 26, 2024. / CREDIT: Mark Schiefelbein/Pool via REUTERS TPX IMAGES OF THE DAY)

At a hearing in Washington DC, Donald Trump's lawyers have been arguing that he cannot be tried for his alleged crimes, which include conspiring to overturn the 2020 US presidential election. We ask lawyer Amy Howe what this all means for him and his political future.Also in the programme: a new transitional council is sworn in to lead Haiti amid continuing violence and chaos; and the so-called 'Pushkin plot' to steal rare books from libraries across Europe and replace them with fakes.(Photo: US Supreme Court hears Trump immunity case, Washington. Credit: SHAWN THEW/EPA-EFE/REX/Shutterstock)

US Secretary of State Antony Blinken is on a visit to China - offering a mixture of friendliness and warnings. We assess US-China relations and ask what, if anything, this visit could change.Also in the programme: the father of a US-Canadian aid worker killed in Gaza tells us the message he'd like today’s memorial service to send to the world; and the possible dangers of yet another artificial sweetener - one that's hard to avoid if you like soft drinks, cakes or chewing gum.(MAGE: U.S. Secretary of State Antony Blinken arrives at the Beijing Capital International Airport, in Beijing, China, April 25, 2024 / CREDIT: Mark Schiefelbein / Pool via REUTERS)

US President Joe Biden says Ukraine will receive more arms and equipment within the week after the US Senate approved a $60bn aid package. But what difference will this make to the people there? Also on the programme: we hear the conflicting claims about the mass graves found in Gaza; and the ‘lost’ painting of Austrian artist Gustav Klimt that has been sold at auction in Vienna.(Photo: US President Joe Biden delivers remarks on the National Security Supplemental. Credit: EPA-EFE/REX/Shutterstock)

US to deliver more arms to Ukraine after Congress approved multi-billion dollars aid package to Kyiv; also in the programme we look into claims of mass graves in Gaza; why have Tesla’s profit’s dropped?; and a lost Klimt painting goes on auction in Vienna.(Photo: Ukraine supporter holding American and Ukrainian flags outside Congress. Credit: Shutterstock)

The US government says allegations that Israeli forces buried more than three hundred Palestinians in a mass grave at a medical complex in Gaza are incredibly troubling. A spokesman for the US state department said it was seeking a response of the Israeli government. Israel's military had earlier rejected the Palestinian allegation as baseless and unfounded.Also the US Senate is set to vote later today on a major aid package for Ukraine, with its passage all but certain after the House of Representatives approved the assistance with broad bipartisan support. And more than a hundred and thirty people have been arrested during pro-Palestinian demonstrations at New York University in the United States.

A new law in Britain aims to send people arriving on small boats to Rwanda to have their asylum claims processed. The Prime Minister Rishi Sunak said the plan made clear that people who arrived in Britain illegally would not be able to stay. The United Nations says the bill is the wrong solution and sets a dangerous precedent. Also in the programme: What Ukrainian soldiers on the frontline think about the supply of new American weapons; and Aboriginal people reclaim spears taken from Australia by Captain Cook in 1770. We speak to one of them.(Photo: Legal challenges meant the first Rwanda flight was cancelled shortly before take-off in June 2022. Credit: Reuters)

An independent review of the UN's operations in Gaza says it needs to improve its neutrality. We ask the head of the review whether countries that suspended donations because of Israeli allegations should resume them. Also on the programme: US prosecutors have accused Donald Trump of a conspiracy over hush money paid to a porn actress at the start of his criminal trial in New York; and we speak to the first woman to run the London Marathon topless to deliberately show the scars from her double mastectomy. (Photo: Catherine Colonna, Chair of the Independent Review of United Nations Relief and Works Agency for Palestine Refugees in the Near East. Credit: EPA-EFE/REX/Shutterstock)

The head of Israel's military intelligence has resigned over his role in failing to stop the Hamas attacks on October the seventh. Aharon Haliva is the highest-ranking official to step down over the assault, in which about twelve hundred people were killed and more than two hundred others abducted. He said his department had not lived up to the task it was entrusted with. Also in the programme: we look at the impact of Hindu nationalism with our Newshour's correspondent Jamie Coomarasamy reporting from the city of Mathura, in Uttar Pradesh; and we hear why senior officials in Milan want to ban afterhours ice-cream. (Photo: Maj Gen Aharon Haliva (L), Gaza in December 2024 Credit: IDF)

In a bonus episode from Delhi, James Coomarasamy explores identity and politics in India as the country conducts the world’s biggest election. He’s joined by journalists Divya Arya and Rajesh Joshi.

Ecuador's President Daniel Noboa is seeking support for tough measures to tackle gang violence, including plans for armed forces to work alongside police. We hear from Quito on the day of the vote, and ask how one of the safest countries in South America ended up with the region's highest recorded murder rate. Also in the programme: the ultra-orthodox battalion of the Israeli Defence Forces that may face US sanctions; and new plans in France to revitalise the national cuisine.(Photo: People wait in line to vote in a referendum proposed by Ecuador's government in Quito, Ecuador, Credit: Jose Jacome/EPA-EFE/REX/Shutterstock)

Ukraine's recent lack of air defence systems has been blamed for Russian forces capturing hundreds more square kilometres of Ukrainian territory. So what difference will the aid make? We speak a defence analyst and get reaction from the capital, Kyiv.Also on the programme: Newshour’s James Coomarasamy asks if India can stick to its ambitious plans to tackle climate change and develop renewable energy sources; and we ask if the government of Sierra Leone is serious about tackling the drug, called kush, which is devastating the country’s youth?Photo: Supporters of Ukraine wave US and Ukrainian flags outside the US Capitol after the House approved aid packages to Ukraine, Israel and Taiwan. Credit: JIM LO SCALZO/EPA-EFE/REX/Shutterstock