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Meta CEO Mark Zuckerberg is set to testify Wednesday at a groundbreaking social media addiction trial, summoned by lawyers representing a plaintiff who alleges Instagram and other platforms were deliberately designed to make young users addicted.

Residents in a leafy, conservative New Jersey suburb have erupted in protest against plans to convert a vast warehouse into an immigration detention center as part of President Donald Trump's mass deportation campaign.

A frantic search was underway Tuesday for ten back-country skiers missing in an avalanche in the mountains of California, where a huge storm has dumped heavy snow.

Heavily armed Guatemalan troops and military police deployed to the country's capital Tuesday, challenging street gangs blamed for killing 11 officers and sparking a major security crisis.

The United States said Tuesday it would hold talks with Mauritius on retaining its military presence on an Indian Ocean archipelago being returned by Britain in a deal earlier denounced by President Donald Trump.

The Mexican military is preparing to confront the potential threat of non-authorized drones in stadiums used for this summer's football World Cup.

Match-winner Vinicius Junior hit out at "cowards" after accusing Benfica's Gianluca Prestianni of racially abusing him during Real Madrid's 1-0 Champions League play-off first leg victory in Lisbon on Tuesday.

Critics hammered Australia's bowling line-up and selection "stuff-ups" after the country's shock T20 World Cup exit in the group stages.

Vinicius Junior scored and then alleged he had been racially abused during Real Madrid's 1-0 win away to Benfica in the first leg of their Champions League play-off tie on Tuesday, while Paris Saint-Germain came from two goals down to beat Monaco 3-2.

Japanese teenager Ami Nakai set the pace in the Olympic women's figure skating competition on Tuesday as freestyle skier Tormod Frostad soared to gold in an all-time classic big air final.

Japanese teenager Ami Nakai put herself in contention for an Olympic medal in her debut senior season as she led superstar teammate Kaori Sakamoto and US world champion Alysa Liu after the Olympic women's short programme on Tuesday.

Two-time Olympic men's ice hockey champions Sweden will face the USA in the quarter-finals of the Milan-Cortina tournament after they beat Latvia 5-1 in a qualification playoff on Tuesday.

Trent Alexander-Arnold hit out at "disgusting" alleged racist abuse directed at team-mate Vinicius Junior, whose wonder goal gave Real Madrid a crucial 1-0 Champions League play-off first leg victory at Benfica on Tuesday.

Scientists are sounding the alarm over the spread of bird flu across Antarctica, with a leading Chilean researcher telling AFP Tuesday of an observed strain "capable of killing 100 percent" of infected fauna.

Japanese teenager Ami Nakai put herself in contention for an Olympic medal in her debut senior season as she led superstar teammate Kaori Sakamoto after the Olympic women's short programme on Tuesday.

Serhou Guirassy scored a goal and laid on another as Borussia Dortmund beat Atalanta 2-0 at home on Tuesday in the first leg of their Champions League knockout phase play-off tie.

Vinicius Junior scored a sensational goal to earn Real Madrid a 1-0 Champions League play-off first leg victory at Benfica on Tuesday, although the match was marred by apparent racist abuse aimed at the Brazilian.

Paris Saint-Germain recovered from a shambolic start as Desire Doue inspired a comeback from two goals down to beat Monaco 3-2 in the principality in the first leg of their Champions League knockout phase play-off tie on Tuesday.

Iran said Tuesday it had agreed with the United States in talks in Geneva on "guiding principles" for a deal to avoid conflict, but Vice President JD Vance said Tehran had not yet acknowledged all of Washington's red lines.

A "climate cult" has weighed on Europe's economy, US Energy Secretary Chris Wright told AFP on Tuesday, adding that the United States has shown its allies "tough love" because it wants them to become stronger.

Norwegian freeskier Tormod Frostad soared to gold in an Olympic men's big air final for the ages on Tuesday, finding an extra gear under the most intense pressure at a snow-swept Livigno.

Peru lost its seventh leader in almost as many years Tuesday with the impeachment of interim President Jose Jeri on allegations of graft.

French authorities on Tuesday arrested nine suspects over the killing last week of a far-right activist, including an assistant to a hard-left member of parliament, a prosecutor and an informed source said.

French authorities on Tuesday arrested seven suspects over the killing last week of a far-right activist, including an assistant to a hard-left member of parliament, a prosecutor and an informed source said.

Ukrainian and Russian negotiators concluded the first of two days of US-mediated peace talks in Geneva on Tuesday, though neither side signalled they were any closer to ending Europe's deadliest conflict since World War II.

Norwegian freeskier Tormod Frostad soared to gold in a snow-swept Olympic men's big air final Tuesday, dethroning compatriot and reigning champion Birk Ruud.

Dutch midfielder Noa Lang scored a brace as Galatasaray thumped Juventus 5-2 in a pulsating contest in Istanbul on Tuesday in the first leg of a Champions League playoff.

Tiger Woods says he has no timetable for a return to golf, but the 15-time major champion hasn't ruled out the 2026 Masters even as he ponders the over-50s Champions Tour.

More than 80 film industry figures including Oscar-winning actors Javier Bardem and Tilda Swinton issued a statement on Tuesday slamming the Berlin Film Festival's "silence" on Gaza.

Geneva was abuzz with diplomatic to-and-fro on Tuesday as top US envoys shuttled between two of the biggest events in world news: high-stakes negotiations on Iran's nuclear programme, and tense talks on ending Russia's war in Ukraine.

Prime Minister Mark Carney on Tuesday launched a multi-billion dollar plan to strengthen the Canadian military and rely less on the United States.

The United States is ready to carry out low-yield nuclear tests to match alleged secret explosions by China and Russia, ending a decades-old moratorium, a senior official said Tuesday.