Newshour

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)