Update 1416 EST: New information has just come out stating that the suspect is actually a 28-year-old female and not a teenage girl.
Initially, local police claimed that the suspect appeared to be a teenage female.
Update 1340 EST: The suspect was also armed with a handgun. (Kudos to the comment section)
Local authorities have reported that three students and three adult staff were killed during an active shooter incident at the Covenant School, a private Christian school, in Nashville.
Authorities say the suspect, a teenage girl armed with two rifles who remains unnamed, was killed by responding authorities. Her motives and relation to the school remain unclear at this time.