
People gather during a demonstration in Nis, Serbia, on March 1, 2025, during a national rally organized by students over corruption after collapse of the Novi Sad train station. The collapse of a roof at a train station killed 15 people in the northern Serbian city of Novi Sad on Nov. 1, 2024. The university student-led movement has put increasing pressure on the government of the Balkan country, spurring the resignation of several high-ranking officials. Andrej Isakovic/AFP via Getty Images

Britain’s Prime Minister Keir Starmer welcomes Ukrainian President Volodymyr Zelenskyy to 10 Downing Street in London on March 1, 2025. The Ukrainian president arrived in London to meet with the British prime minister ahead of a summit of European leaders on Sunday. Peter Nicholls/Getty Images