MIDVILLE, Ga. (WVLT) -- Authorities in Georgia have issued an Amber Alert for a 3-year-old boy allegedly abducted by his grandmother, and the two are believed to be headed to Tennessee.

Investigators say Isaiah Ezekiel Tan, 3, was taken from his home in Midville, Ga., by his grandmother, Deloris Marie Miller, 46, who lives in Antioch, Tenn.

Deputies say they believe Miller may be taking the child back to her home in Middle Tennessee.

Isaiah is white, 3'2" tall, weighs 36 pounds, and has brown hair and brown eyes. He was last known to be wearing a navy blue T-shirt and cartoon underwear. He has an oval birthmark on his back area.

Miller is white, 5'6" tall, 150 pounds, and has brown hair and brown eyes. She was last known to be wearing a light brown button-up shirt, blue jeans, and black tennis shoes.

The two may be traveling in a black Cadillac with Tennessee tag number 616 HWS.

Anyone with information should call 911 or the Burke County (Georgia) Sheriff's Office at 706-554-2133.