The police helicopter joined a search for a distressed man in Thornton, Bradford.
Following a family dispute in Ellingham Court, the 22-year-old man ran off.
He was found nearby, about 20 minutes later, by police officers on the ground.
The man was taken to Bradford Royal Infirmary for treatment to arm injuries.
West Yorkshire Police said the search for the man began soon after they were called at 10.20am. He was located, in an alleyway, at 10.42am.
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