Actor Melissa Joan Hart helped children running away from the shooter who killed six people at a Nashville school. 

The 46-year-old, who is best known for playing the title role in Sabrina The Teenage Witch, guided a class of “tiny little kids” across a busy road near the shooting scene.

“They were climbing out of the woods. They were trying to escape the shooter situation at their school,” she said in an emotional video on Instagram.

Her children’s school in Nashville is close to the private Christian school where a 28-year-old went on a killing spree on Monday.

She was on her way to parent-teacher conferences with her husband when they came across the fleeing children, she said.

“We helped all these tiny little kids cross the road and get (to) their teachers… We helped a mom reunite with her children,” she said.

“I don’t just don’t know what to say any more,” she added.

“Enough is enough. And just pray. Pray for the families.”

Three children, all aged 9, and three adult staff members were killed by Audrey Hale who was then shot dead by police.

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She said this was the second time her family had been in close proximity to a school shooting as they used to live in Connecticut near Sandy Hook elementary school, where a gunman killed 26 people in 2012.