RSIS associate research fellow Kenneth Teo on the evolving threat of terrorism

New York City unveils cover-up over toxic cloud.<br>More than 170,000 pages of long-hidden records show New York City officials knew the air quality around Ground Zero was toxic following the 9/11 terror attack in 2001 but publicly maintained it was safe to breathe. Mayor Zohran Mamdani accuses former city officials of a cover-up to limit liability. 25 years on, more people have died from the highly dangerous dust than were killed in the attack itself. <br>They speaks to two advocates for victims, both of whom had integral roles in forcing the city to release the contentious documents.