Answers are beginning to emerge about what caused a mysterious oil spill that has stained Brazil's coastline for the last month.
Officials in the country say a Greek-flagged tanker is likely to be behind it.
Police in Rio de Janeiro raided the headquarters of a company that was linked to the marine vessel.
The spill has affected marine life in more than 2,500 km of the country's beaches and coastlines.
Saudi Arabia says 2 airports targeted as fighting with Yemen's Houthis escalates
Saudi Arabia's airports in Jazan and Najran were targeted in two attacks on Monday evening, injuring three people and causing limited damage, the Saudi aviation authority said, as hostilities between the kingdom and Houthis escalated.
Indian opposition marches in protest seeking resignation of election chief
Dozens of Indian opposition lawmakers began a march on Tuesday seeking the resignation of the election chief over a controversial revision of voter lists, as hundreds of security personnel kept vigil in the heart of the Indian capital and barricades were thrown up.
Cornell students stage rally in support of 'Jane Doe'
Cornell University students have staged a mass rally on Monday, voicing solidarity with a classmate whose gang-abuse allegations have ignited a national uproar and demanding that the Ivy League school take firmer action against sexual abuse on campus.
Dozens quarantined in Siberia after plague institute lab worker dies
A laboratory worker at a plague research institute in Siberia has fallen ill and died in undisclosed circumstances, prompting authorities to quarantine dozens of people and the head of Russia's health watchdog to fly to the Irkutsk region.
US, German scientists win Nobel medicine prize for work on light and brain
American Karl Deisseroth and Germans Peter Hegemann and Georg Nagel won the 2026 Nobel Prize in Physiology or Medicine on Monday for developing optogenetics, a technique that uses light to control individual nerve cells in the brain.
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Brent Black has the biggest stories of the day and the stuff you might have missed.
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