By allowing ads to appear on this site, you support the local businesses who, in turn, support local journalism. 6 killed after liquid nitrogen leak at Prime Pak in Gainesville, more than 130 others being treated, evaluated The Hall County Sheriff's Office has a roadway blocked at Centennial Circle and Centennial Drive Jan. 28, 2021, following a hazmat situation on Memorial Park Drive. All of Memorial Park Drive is shut down, Gainesville Police reported. - photo by Scott Rogers Six people were killed following a liquid nitrogen leak at Foundation Food Group in Gainesville, authorities said. Five were found dead and another died at Northeast Georgia Medical Center, according to hospital spokesman Sean Couch. The six dead were identified by the Hall County Sheriff's Office on Friday morning.