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Thousands of demonstrators in Istanbul have taken to the streets to protest against the arrest of the city’s mayor, Ekrem Imamoglu. He is one of a number of opposition figures who have been taken into custody in recent days. We speak to one man who has been on the street calling for his release. Also in the programme: Israel carries out multiple airstrikes in southern Lebanon; how the dismantling of the US Department of Education might affect one mother and her two autistic daughters; and famed boxer George Foreman passes away at the age of 76.(Photo: Police officers in riot gear stand next to demonstrators during a protest against the detention of Istanbul Mayor Ekrem Imamoglu, in Istanbul, Turkey, 22nd March, 2025. Credit: REUTERS/Murad Sezer)

The Israeli military says it's conducted air strikes in southern Lebanon after rockets were fired across the border for the first time since a ceasefire was agreed with Hezbollah last year.Also, the Vatican says Pope Francis intends to make a public appearance on Sunday -- the first since he was admitted to hospital more than a month ago. And we pay tribute to the boxing legend George Foreman who has died aged 76.(Photo: Smoke billows from the site of Israeli strikes in southern Lebanon. Credit: Reuters)

The Sudanese army says it has recaptured the presidential palace in the capital Khartoum from the paramilitary Rapid Support Forces (RSF) after almost two years of fighting. We hear from a citizen near Khartoum.Also in the programme: We hear how a single fire, outside Heathrow, paralysed Europe's busiest airport for more than twelve hours; and the peaceful death of the Soviet spy, credited with having stopped a third world war.(Photo: Sudanese army members film themselves inside the presidential palace, Khartoum, Sudan, March 21, 2025, in this screengrab obtained from a social media video. Social Media via Reuters)

The Sudanese army has recaptured the presidential palace in Khartoum from the rival paramilitary Rapid Support Forces, military leaders have said.The army appears poised to regain control of the capital two years after it was kicked out by its paramilitary rivals, known as the RSF.Also in the programme: Europe's busiest airport, London Heathrow, has been shut down by an electricity cut; we'll hear about the Ukrainian organisation trying to help people flee life under Russian occupation; and why yellow warblers are succumbing to road rage.(Photo shows Sudanese army members celebrate inside the presidential palac in Khartoum, Sudan, March 21, 2025. Credit: Reuters)

Interviews, news and analysis of the day’s global events.

At least 85 Palestinians have been killed in overnight Israeli air strikes in Gaza, the Hamas-run health ministry has said and the IDF said it had started a ground invasion in northern Gaza. Hamas has launched retaliatory missiles aimed at central Israel, with fragments landing in the central city of Rishon Letzion. No casualties or injuries were reported. Meanwhile thousands of Israelis protesting the resumption of war.Also on the programme: A BBC investigation has found that Colombian energy giant Ecopetrol has polluted hundreds of sites with oil, including biodiverse wetlands and water sources; and as discussions of a potential ceasefire between Russia and Ukraine continue, we ask two ordinary Ukrainians what they think of the talks?(Image: Palestinians inspect the rubble after renewed Israeli airstrikes on Gaza - 19 Mar 2025. Credit: Haitham Imad via EPA-EFE/REX/Shutterstock)

Turkish authorities have detained Ekrem Imamoglu, from the secular opposition Republican People's Party (CHP), just days before he was due to be selected as a presidential candidate. Also on the programme, the United Nations says one of its international staff has been killed when an explosive was dropped on or fired at a UN compound in central Gaza; and a conversation with Hans Zimmer about his 40 years composing some of the most memorable film music.(Photo: Supporters of Istanbul Mayor Ekrem Imamoglu gather outside the Istanbul Metropolitan Municipality building to protest the detention of Imamoglu, in Istanbul, Turkey, March 19, 2025. REUTERS/Tolga Uluturk)

Ukraine reacts with resignation to Russia attacking its infrastructure, hours after Vladimir Putin told President Trump he was halting such strikes.Also in the programme: we hear from a doctor in Gaza as attacks by Israel resume; and after a federal court rules that actions taken to shut down USAID by Elon Musk and DOGE 'likely violated the United States Constitution in multiple ways', we hear from the former White House counsel leading the charge.(IMAGE: View of a strike on a hospital, amid Russia's attack on Ukraine, in Krasnopillia, Sumy Region, Ukraine, March 19, 2025 / CREDIT: State Emergency Service of Ukraine via Reuters)

US President Donald Trump and his Russian counterpart Vladimir Putin have had a phone call where Russia has agreed to pause its attacks on energy and infrastructure in Ukraine for thirty days. Russia has not committed to a full ceasefire and demands complete cessation of foreign military aid. Also on the programme: Israeli strikes on the Gaza strip last night that have reportedly killed 400 people. UNRWA'S Sam Rose speaks to us from Nuseirat; and veteran NASA Astronaut Nicole Stott shares more details on the expected return to Earth of Butch Wilmore and Suni Williams after nine months stranded on the International Space Station. (Picture: Daily newspapers with covers, dedicated to the recent phone call of Russian President Vladimir Putin and U.S. President Donald Trump, are laid out at a newsstand in a street in Moscow, Russia, February 13, 2025. Credit: REUTERS/Maxim Shemetov)

Hamas officials say more than four hundred people have been killed. Does this mean that the ceasefire between Israel and Hamas is over?Also on the programme: President Trump and President Putin are to have a phone call to discuss a potential ceasefire in Ukraine. We discuss the historical parallels of this occasion; and the legendary jazz musician Herbie Hancock is one of the winners of the Polar Prize, the nearest thing that music has to a Nobel prize. He talks about his life and his extraordinary career. (Picture: Palestinians inspect the aftermath of an Israeli strike Credit: Reuters / Abed)