Three firefighters die on the same day from 9/11-related illnesses

The Fire Department of New York says three retired firefighters who worked at ground zero have died on the same day from 9/11-related illnesses.

Lt. Howard Bischoff and firefighters Robert Leaver and Daniel Heglund died Monday.

Fire Commissioner Daniel Nigro says their deaths are 'a painful reminder that 13 years later we continue to pay a terrible price for the department's heroic efforts.'

More