In U.S. transit

The Long Island Rail Road shut down after unionized workers walked off the job, stopping service across the eastern New York metro area. Five unions, representing about half the workforce, were behind the strike. For a commuter rail system that moves a lot of people, this is not a minor scheduling inconvenience; it is the schedule.

In Nigeria and U.S. counterterrorism

U.S. and Nigerian forces killed a senior ISIS leader, Abu-Bilal al-Minuki, in a joint operation in northeastern Nigeria, according to U.S. Africa Command. Officials said several other militants were killed and no American service members were hurt. U.S. officials called it a significant blow to ISIS networks in the region.

In tech and courts

A jury is now weighing Elon Musk’s claims against Sam Altman and OpenAI in a bitter trial over Musk’s allegation that the company was built by stealing a charity. The case has dragged in internal messages, emails, diary entries, and testimony from some of Silicon Valley’s biggest names. Both men took the stand, where each had his credibility tested in public, the modern version of a startup trust fall.

In health

A tick linked to alpha-gal syndrome, which can trigger allergies to meat and dairy, may also be spreading into new areas, along with a rare virus that has no known cure. The warning is aimed at helping people spot symptoms early after tick exposure.

Also drawing attention, a Trump administration spokesman on hantavirus risk turned out to be a penile implant specialist with a podcast history steeped in conspiracy claims.

In U.S. politics and the White House

President Trump said arms sales to Taiwan could be used as a “very good negotiating chip” in talks with China, a remark that is likely to unsettle officials in Taipei already watching Washington’s approach closely.