Beduins found an unconscious man, who had apparently overdosed on drugs, at the Atarot industrial zone on Monday afternoon.
The man was evacuated to Jerusalem's Hadassah University Medical Center on Mount Scopus. His life was not in danger.
From a preliminary police probe, it appeared that the man's gun was missing from it's holster.
Police launched an investigation into the circumstances of the incident, and a helicopter was helping ground forces to scan the area for suspects.
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