NYC Mayor Zohran Mamdani releases 170,000 pages of 9/11 records revealing new details about toxic air and asbestos at Ground Zero. The files include 68 boxes of records, air-quality reports and internal memos raising fresh questions about what Giuliani-era officials knew about 9/11 toxins. Asbestos findings, toxic dust and warnings about possible lawsuits are now under scrutiny as millions more 9/11 records are set to be released. Show more Show less