BREAKING: Alleged gunman in Nashville school shooting was female who entered through a side entrance of the school, armed with at least "two assault-type rifles and a handgun," officials say.

Gut-wrenching coverage of the Covenant School shooting from NewsChannel 5 Nashville, as reporter Hannah McDonald shares that her mother-in-law works at the school’s front desk and was coming back from a break when she heard gunshots coming from inside the building.

Currently numerous law enforcement and other agencies are responding to a mass casualty event with multiple children shot inside the school. The shooting took place inside at the Covenant School in Nashville Tennessee, with at least three children have been killed with the fourth one being the shooter with many more others injured

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