(CNN) — Gary Thynes was taking his dog out to play in the park last week in Pittsburgh when he noticed a “beautiful pit bull” walking alone with his leash dragging behind him.

Concerned the dog might get hit by a passing car, Thynes tried to get close enough to catch him in hopes that he had a microchip, Thynes posted on Facebook.

But the pit bull — a breed sometimes cast as made to fight and regulated as dangerous — stayed just out of arm’s reach. He would bark and run a few steps ahead before turning back, the post said.

That’s when Thynes realized:

“This dog wanted me to follow him.”

So, Thynes did just that.

A young woman driving by stopped and tried to help Thynes catch the dog, the post said.

“I could get almost close enough to grab the leash and he would run a little farther

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