MARIETTA -- A reward of up to $10,000 is being offered for information about recent fires at three Cobb County stores that authorities say were apparently deliberately set.

Anyone with information about the fires, that were reported Friday at a CVS pharmacy, Kroger and Publix grocery stories, was asked to call the Georgia Arson Hotline at 800-282-5804.

Investigators have determined that the blazes were an act of arson.

The east Cobb CVS suffered over $2.5 million damage to the building and lost inventory after the blaze roared through retailer, located in the 3000 block of Sandy Plains Road.

The pharmacy was the last of the businesses to burn. The first of the fires broke out at shortly before 9:30 a.m. at the Kroger grocery store located at 2100 Roswell Road. It was followed by a blaze at a nearby Publix shortly before 10 a.m.

No injuries were reported during either of the blazes.

wsbtv.com Staff Writer Alfred Charles contributed to this report.