A security guard was shot in the leg, Kelly said, but no other church members were injured. Strong said the guard's injury was not life-threatening and that he was awaiting surgery.

A church deacon ran him over with a Ford F-150 pickup truck, senior pastor Bobby Kelly Jr. told The Detroit News. A church security guard then fatally shot the attacker, Kelly said.

An alleged active shooter intent on attacking a Michigan church on Sunday was shot and killed by a security guard and another church staff member who "prevented a large-scale mass shooting ...

Kelly said a church member ran the suspect over with his truck, giving the security guard time to shoot him. Police described the suspect as a 31-year-old white male.

Prosecutors say Mekai Kelly-James opened fire outside an Independence bar after being kicked out, injuring a security guard. His modified firearm fired up to 75 rounds.

FULL INTERVIEW: Security guard Jay Trombley talks about stopping armed man "They would've been walking through our lobby and would've been engaged by this suspect," Kelly said.

The security guard had time to take aim at the shooter — whom police identified as a 31-year-old White male — because a deacon ran him over, according to the pastor, who was on the scene.

The security guard was also not immediately identified by authorities. ABC News' Luke Barr, Pierre Thomas, Mariama Jalloh, Victoria Arancio and Jessica Gorman contributed to this report.