A prominent advocate for 9/11 victims is cautioning that last year's devastating Palisades fire could lead to deadly respiratory illnesses for thousands -- in a crisis as big as the aftermath of the 2001 terrorist attacks in New York City.

A prominent advocate for 9/11 victims is cautioning that last year's devastating Palisades fire could lead to deadly respiratory illnesses for thousands -- in a crisis as big as the aftermath of the 2001 terrorist attacks in New York City.