Police in Union City said a train struck a tractor-trailer which was stuck on the tracks on Monday night.
The 19-year-old was walking home from the store when he was shot and killed.
Police in Union City are searching for a man wanted for an overnight robbery a Waffle House.
Police believe the shooting of the teen was not a random act of violence.
The man suspected of stealing an SUV with a 1-year-old baby in the back seat from a Union City gas station was arrested Friday.
The south Fulton jail in Union City was left damaged Wednesday night after a protest over the shooting of a teenager.