(CNN) Grant Brown was heading out for the day on Sunday when he heard screams from down the street. He looked up to see a dog attacking 6-year-old Mason Lindeman, who was been playing outside his Conroe, Texas, home.

The 19-year-old sprang into action, running straight toward the pit bull.

"I was just focused on how I could get the dog away from the kid," Brown said Wednesday.

His heroic actions were all captured on video.

As Brown got closer, the dog jumped off Mason and started chasing him instead. This gave the boy the chance to run to safety.

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