The former US Secretary of State, Hillary Clinton, will testify in the congressional investigation into late sex offender Jeffrey Epstein. Her husband, the former president, Bill Clinton, will testify on Friday.Also in the programme: a third round of talks between Iranian and American officials are held in Geneva; and a new study helps explain what's going on in the brains of so-called 'super-agers', people who stay mentally sharp into old age. (Photo: Hillary Clinton attends the Mumbai Climate Week in Mumbai, India on February 18, 2026. Credit: Reuters)

The United States is ending its health programmes in Zimbabwe, including HIV treatment for one point two million people. The US embassy said Harare had pulled out of negotiations over a new health aid agreement which would have provided 367 million dollars over five years. The US has been renegotiating aid to Africa following the abolition of USAID by President Trump. Also on the programme: The influential economist, Larry Summers, resigns from Harvard over the Epstein files and the Microsoft co-founder, Bill Gates, apologises to staff about his links with the convicted sex offender; and we'll hear why Emperor penguins are facing the threat of extinction. (Photo shows a health official opening a rapid HIV test during the launch of Lenacapavir, a long‑acting HIV prevention injection outside Harare, Zimbabwe on 19 February 2026.Credit: Philimon Bulawayo/Reuters)

US President Donald Trump makes the longest-ever State of the Union address, claiming America's enjoying a golden age.But will his message on the economy be enough to persuade voters worried about persistent high prices?Also in the programme: Sri Lanka's former intelligence chief has been arrested in connection with the 2019 Easter Sunday bombings that killed more than 270 people; and we'll hear from the small Norwegian club inside the Arctic Circle that's shaking up European football.(Photo shows US president Donald Trump delivering the State of the Union address at the United States Capitol in Washington, D.C. on 24 February 2026. Credit: Kenny Holston/Reuters)

It's officially four years since the war in Ukraine began. One of the striking things that has happened to mark it has been a united statement of encouragement for Ukraine from leaders of the G7 group of countries, including the US. We hear from a Ukrainian mother and son about the impact of four years of war on their lives and the decisions they've made. Also in the programme: Russian dissidents tell the BBC they’ve seen fellow troops executed on commanders’ orders during the conflict; a look at what might be coming up in President Trump’s State of the Union address; and why a nineteenth-century Ghanaian artefact is being kept from public view.(Photo: People take part in a protest against Russia's invasion of Ukraine to mark the fourth anniversary of the start of the war, in Zurich, Switzerland, 24th February 2026. Credit: Andreas Becker/EPA/Shutterstock)

Ukraine's president Volodymyr Zelensky says Vladimir Putin 'has not achieved his goals' and Ukraine will do everything to achieve peace and justice, on the fourth anniversary of Russia's full-scale invasion. European leaders are in Kyiv and commemorative events are being held across Ukraine. We hear from Ukrainians about how their lives have changed.Also in the programme: UK’s first baby born from a transplanted womb from a deceased donor; and researchers have discovered how a horse produces its distinctive whinny.(Picture: Ukrainian President Volodymyr Zelensky meets with President of the European Commission Ursula von der Leyen before a meeting of 'Coalition of the Willing' in Kyiv. Credit: Ukrainian Presidential Press Service/Handout)

Unrest has erupted in at least 20 states across Mexico, and thousands of troops have been deployed to maintain order after the country's most wanted cartel leader, Nemesio Oseguera Cervantes - known as "El Mencho" - died after being captured on Sunday.Also on the programme: US and Iranian officials have confirmed that negotiations over Iran's nuclear programme will resume on Thursday; and we hear from Lauren Wyatt, who has Tourette's syndrome and is an advocate for the National Neurodiversity Youth Council, about the racial slur shouted by a man at the Bafta film awards who also lives with the condition.(Photo: A burnt bus on the highway connecting Mexico City with the state of Puebla, following roadblocks and arson attacks carried out by members of organized crime after the death of Mexican drug lord Nemesio Oseguera Cervantes, known as "El Mencho". Credit: REUTERS/Paola Garcia)

In a BBC interview, the Ukrainian president. Volodymyr Zelensky, has accused President Putin of trying to impose a different way of life on the world, warning that the Russian leader would "not stop" at Ukraine. Also on the programme: the International Criminal Court has opened hearings to decide if the former Philippine president, Rodrigo Duterte, should face trial for crimes against humanity; and we speak to Wagner Moura, star of the Oscar-nominated Brazilian film The Secret Agent.(Photo: Ukraine President Volodymyr Zelensky speaks during the 62nd Munich Security Conference (MSC) at the hotel 'Bayerischer Hof', in Munich, Germany. Credit: Ronald Wittek/EPA/Shutterstock.)

An armed man has been shot dead after entering the secure perimeter of US President Donald Trump's Mar-a-Lago residence in Florida, the Secret Service has said. We speak to a local reporter who has been at Mar-a-Lago several times. Also on the programme: there has been a second day of protests at Iranian universities with crowds chanting, "Death to the dictator"; and the Olympic Winter Games Milano Cortina 2026 come to an end following 16 days of sporting delight. (Photo: President Trump's Mar-a-Lago resort after Secret Service and local police shot and killed a man armed with a shotgun after he breached a secure perimeter of the resort in Palm Beach, Florida. Credit: Reuters)

*Ukraine says Russia has carried out another massive overnight attack, involving 50 missiles and nearly 300 drones.Speaking two days before the fourth anniversary of Russia’s invasion, Ukraine's president Volodymyr Zelensky said the latest attacks targeted his country's energy sector as well as residential buildings.We'll hear from a Ukrainian professional sportsman-turned-soldier on what the nearly four years of war have done to his country.Also in the programme: The students protesting in Iran for the first time since last month's deadly crackdown; Canada and the US face off in the men's ice hockey final. And the Norwegian crowned the Winter Olympics' greatest ever athlete.(Photo shows houses heavily damaged by a Russian missile strike, amid Russia's attack on Ukraine, in Kyiv, Ukraine on 22 February 2026. Credit: Valentyn Ogirenko/Reuters)

US President Donald Trump has said he will increase his worldwide tariff from 10% to 15%, as he continued to rail against a Supreme Court ruling that struck down his previous import taxes.Also on the programme: far right French activists have marched through the city of Lyon after a nationalist student was beaten to death; and OpenAI, the maker of ChatGPT, has said it considered alerting the Canadian authorities to the activities of a person who later carried out one of the worst mass shootings in the country's history. (Photo: President Trump addresses a press conference about the Supreme Court's striking down of most of his tariffs in the briefing room at the White House in Washington, DC on 20 February 2026. Credit: EPA/Shutterstock)

US President Donald Trump has imposed a new 10% global tariff to replace ones struck down by the Supreme Court, calling the ruling "terrible" and lambasting the justices who rejected his trade policy as "fools".Also on the programme, French President Emmanuel Macron has appealed for calm ahead of a march in Lyon remembering a right-wing student activist who was killed by suspected left-wing extremists earlier this month; and, conservationists are celebrating the reintroduction of giant tortoises to one of the Galapagos Islands -- nearly two centuries after the sub-species was wiped out. (Photo: U.S. President Donald Trump, Secretary of Commerce Howard Lutnick and Solicitor General D. John Sauer attend a press briefing at the White House, following the Supreme Court's ruling that Trump had exceeded his authority when he imposed tariffs, in Washington, D.C., U.S., February 20, 2026. REUTERS/Kevin Lamarque)

President Trump has damned a Supreme Court ruling striking down much of his tariffs policy. A clearly furious president vowed to reimpose his import taxes through alternative methods. The court said that the president could not impose tariffs without consulting Congress. Also in our programme: how rural communities and poorer areas in Russia are being disproportionately affected by the war; and we speak to one of the stars of the first Iranian documentary to earn an Oscar nomination.(Photo: US President Donald J. Trump, alongside Commerce Secretary Howard Lutnick, speaking at a press conference about the Supreme Court's striking down of most of his tariffs. Credit: Yuri Gripas, EPA/Shutterstock)