KNOXVILLE, Tennessee (WVLT) -- An East Tennessee man is alive today, thanks to a fast-acting three-year-old. The man was locked inside his car with the sun beating down and temperatures in the 90s.

Keith Williams' favorite pastime is playing video games, his favorite food is string cheese and he's barely three feet tall. But don't underestimate him when it comes to saving lives.

"We've had a little problem with the switch on this car," says Bob King.

The heat inside King's car was quickly rising when he found himself trapped Saturday afternoon. King has battled cancer, suffered from strokes and wears a pacemaker. He says he had been locked inside at the parking lot of his church for about five minutes when he saw three-year-old Williams walk by.

"I hollered at him and he just looked at me kind of funny and I said, 'yeah I'm locked in here.' "

Williams knew exactly what to do. He went to his pastor, Jack Greene, and took him outside.

"He kept pulling at my hand and I eventually turned around and looked at him and said, 'what's going on,' and he said, 'locked, locked!" Greene says.

Keith knew something wasn't right.

Bob King was stuck in his car Saturday afternoon when 3-year-old Keith Williams walked by and immediately knew what to do. WVLT

"He was hot," he says.

"I am very impressed and I'm proud that he would know what to do," says his mother Jessie Williams.

It may have been his superhero shirt and his Ninja Turtles shoes that gave him special powers that day. Whatever it was, King is just thankful little Keith was there.

"I'm very thankful, I don't know how long it had been. I'd say it probably be another 20 minutes sitting in there if he hadn't notified somebody."

Pastor Greene was able to open the car door from the outside and get King out.

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