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This is the world in brief from The Economist.

Our top stories, Tesla lost its spot as the world's largest electric vehicle maker to B.D, a Chinese rival.

Tesla delivered 1.64 million EVs in 2025, 8.6% fewer than in

2024 and its second consecutive annual decline. BYD said it shipped 2.26 million EVs last year,

up by more than a quarter from the prior year.

Swiss authorities said new findings pointed to sparklers on champagne bottles

as the likely cause of a fire on New Year's Eve at a bar in a ski resort,

in which at least 40 people died.

Investigators said flames spread rapidly

after sparks reached the ceiling and warned that identifying victims would take time. Dozens of

injured revelers were transferred to hospitals across Europe. Donald Trump warned that America would intervene if Iran, quote,

violently kills peaceful protesters, saying his country was, quote, ready to go. His warning came as

protests over Iran's weak economy turned deadly, with clashes reported nationwide.

Masoud Peschkian, Iran's president, said his government would take action to, quote,

resolve the issue of people's livelihoods.

Yemen's Southern Transitional Council, a separatist group, supported by the United Arab Emirates, said it intended to hold

...