Rosa says without the usher, the situation "could be worse".
All of the wounded have been transported to area hospitals; the majority of those wounded are older adults, according to the Fire Department. That information was later confirmed in a tweet by the Nashville Police Department.
Nashville police are on the scene of a shooting at a church in Antioch.
As church was letting out, one woman who went outside was shot, the gunman then went inside and opened fire.
This story is developing.
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A man in a blue SUV shot and killed one person in the church parking lot before opening fire inside the church.
The attacker allegedly fatally shot the woman then went into the church where he wounded six others. None of their identities were immediately known.
According to officials, the call came in at 11:15 a.m. The church is about 30 minutes southeast of Nashville. The shooter is being treated at the hospital, according to Metro Nashville Police.
Please join me in praying for the victims of today's church shooting in Antioch, victims' families and their community. "One other victim pistol whipped and at hospital". As we await more details, please join me in praying for the victims. "I'm a Christian, and I felt the hand of God touching me".