At least 3 children and 3 adults killed in Nashville elementary school shooting

At least three students and three adults are dead following a shooting at the Covenant School in Nashville, Tennessee, police said Monday.

The shooter who opened fire at Covenant School in Nashville, Tennessee, was a female, according to police.

Don Aaron of the Metro Nashville Police Department said in a news conference Monday that the shooter "appears to be in her teens," but her identification has "not been confirmed."

Aaron said that officers arriving to the scene encountered "a female who was firing."

Two responding officers opened fire on the shooter and she was fatally shot, Aaron said.

She was armed with at least two "assault-type" rifles and a handgun, Aaron added.

Don Aaron, spokesperson for the Metro Nashville Police Department, said police arrived quickly to a call of an active shooter at the Covenant School Monday.

Aaron, speaking at a news conference a few hours after the shooting, said the first calls came in at around 10:15 a.m. local time.

When officers arrived, they went through the first level of the building first, he said.

They then heard gunshots coming from the second level of the building, according to Aaron. He said that's where police encountered the shooter, who he described as a female teenager.

Officers shot the shooter, Aaron said.

The Nashville Metro Police will give an update on the shooting at the Covenant School. Officials are expected to speak soon.

Police said in a separate tweet that the shooter is dead.

At least three students are dead from gunshot wounds suffered at the Covenant School in Nashville, Monroe Carell Jr. Children’s Hospital at Vanderbilt tells CNN affiliates, WTVF, WZTV. 

All three of the students were pronounced dead after arrival at the hospital. 

Metropolitan Nashville Police Department confirmed the shooter was dead earlier.

Tennessee Gov. Bill Lee is monitoring the situation at the Covenant School in Nashville after an active shooting killed at least three children Monday.

The governor said in a tweet that the Tennessee Department of Safety and the Tennessee Highway Patrol are both assisting other agencies on the scene. The Tennessee Bureau of Investigation also said it is helping.

"As we continue to respond, please join us in praying for the school, congregation & Nashville community," the tweet said.

The school teaches kids from preschool through 6th grade, according to its website.

See the governor's tweet:

Special agents from the Tennessee Bureau of Investigation and other personnel are responding to the Covenant School shooting in Green Hills at the request of District Attorney General Glenn Funk, according to a tweet from the agency.

The Metropolitan Nashville Police Department indicated there isn’t a current threat to public safety, the tweet added. Authorities have confirmed that the shooter is dead.

The Covenant School in Nashville, Tennessee, where police say there was an active shooting incident Monday, teaches preschool through 6th grade.

The Covenant School is a private Christian school founded in 2001 as a ministry of Covenant Presbyterian Church. It has an average enrollment of about 200 people in recent years, according to its website.

The Nashville Fire Department said there were "multiple patients" in the shooting and the gunman is dead, officials said.

The Nashville Fire Department said that multiple people are hurt after “an active aggressor” at Covenant School, it said in a tweet.

The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) Nashville Field Division also tweeted that special agents are responding to assist the Metropolitan Nashville Police Department with the active shooter incident.