CHICAGO (CBS) — A Cook County sheriff’s police sergeant is talking about how he stopped a young man from jumping onto Interstate 80 from the Halsted overpass.

It was about 7:30 Monday evening, and Sergeant Michael Dwyer was driving in southern Cook County.

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“It looked like a person, sitting up over the lanes of traffic – in a very odd spot,” he said.

Dwyer drove closer snd then got out of his vehicle.

“So I slowly walked up, trying to get closer. I got about three or four feet away and he started shaking his head… maybe motioning to stay away.

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“And then he just kind of dove off to his left like… that was it.

“So I was able to run up, get a hold of him with my arms, grabbed him – I was able to pull him back over the rail onto the roadway, the abutment there.”

Sergeant Dwyer says the man in his 20s struggled.

Not wanting to have been saved.

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“The fact that this young man will have another opportunity to so something with his life – that’s good enough for me.”