Based on the available search results from the past 24 hours, here are the three most significant world news stories:

1. U.S. Tariff Policy Shift Following Supreme Court Ruling

The U.S. Supreme Court struck down President Trump’s sweeping tariffs, ruling that his measures exceeded presidential authority[1]. In response, Trump announced he would raise global tariffs from 10% to 15% effective immediately[1]. This represents a major recalibration of Trump’s economic policy, though six of nine justices voted to outlaw the original measures that went into effect in August[1].

Implications: The ruling puts significant revenue from tariffs in question and threatens trade deals brokered by the Trump administration, including agreements with the European Union[1]. The new tariff structure signals Trump’s intent to maintain aggressive trade policy despite the legal setback, with potential ripple effects across international commerce.

2. Escalating Israeli-Lebanese Military Tensions

Hezbollah reported eight of its members killed in Israeli airstrikes on the eastern Lebanese region of Baalbek on Friday[1]. However, Lebanon’s health ministry documented a higher casualty toll, reporting 10 people killed including three children, with 24 additional people wounded[1]. The IDF claimed those targeted were “ramping up the group’s readiness and allegedly planning attacks against Israel,” though no evidence was provided[1].

Implications: This incident underscores the fragile security situation between Israel and Hezbollah, with significant civilian casualties raising humanitarian concerns and potentially escalating regional tensions further.

3. Political Crisis in France Following Activist Death

Thousands of people took to the streets in France on Saturday to mourn Kentin Dang, a 23-year-old far-right nationalist who died during clashes between political activists[1]. Seven people now face charges of intentional homicide, including a parliamentary aide linked to a far-left party[1]. President Macron called for calm and pledged to review and potentially dismantle violent activist groups across the political spectrum[1].

Implications: With presidential elections looming, this incident reflects France’s deepening political fractures that are “no longer simmering beneath the surface, but spilling onto the streets”[1], signaling potential instability in the French political landscape.