Regina police have one man in custody following an incident Friday afternoon. Police blocked off traffic in the north end of as they negotiated with a man they believed to be threatening self-harm. He was on the pedestrian rail on the Argyle Street overpass. Police closed Ring Road in both directions between Pasqua Street and Albert Street and part of Argyle Street as crisis negotiators worked.In a tweet just before 7 p.m. police said everyone was safe and traffic was back to normal