Updated:COBB COUNTY, Ga. —
Cobb County police worked late into the evening Thursday looking for the cause of a fiery crash that killed two people on Interstate 75.
Five cars and two tractor trailers collided on I-75 N near Wade Green Road.
Two other people were airlifted to a local hospital.
Lanes were closed for several hours causing massive backups.
Police identified the victims killed as 47-year old Gregory Millsaps of Marietta and 71-year-old Barbara Phenicie.
Officials are still investigating.