The number of people injured has increased from 22 to 24 after a medical jet crashed into the ground in Northeast Philadelphia, officials said. The death toll remains at seven.The number of wounded went up because there was a firefighter who had a heart attack and a police officer who suffered smoke inhalation in the incident,

NTSB investigators found the Learjet 55's cockpit voice recorder Sunday. The agency said it was 8 feet down at the site of initial impact. The death toll is 7, with 22 injured.