Happening in the world: There was a deadly chemical attack in a northern rebel-held zone of Syria yesterday. Dozens of people, including children, died from this attack. The substance seems to have had a nerve agent or other banned chemicals. Western leaders, including Trump, are blaming President Bashar al-Assad for the attack. (NYT)

Happening in NYC: After Monday’s derailment at Penn Station damaged equipment, Amtrak said that there will be modified services and delays for the foreseeable future. Other trains going in and out of New York, including LIRR and NJ Transit, will also be affected. (ABC – click for details on the modified train schedules)

Happening on campus: Dr. Salim Abdool Karim will be leading a discussion about HIV/AIDS, hosted by the Journal of Global Health today in Fayerweather 313, from 7:30pm to 8:30pm.

Overheard: “I love Pride and Prejudice so much, [my suite] named our bong Mr. Darcy.”

An old celeb tweet:

Don’t do drugs, kids