Daredevil Nik Wallenda pauses as he walks on a 5cm diameter steel cable rigged 26.7 metres across more than a quarter-mile deep remote section of the Grand Canyon near Little Colorado River, Arizona. Photograph: Mike Blake/Reuters

US daredevil Nik Wallenda completed an historic high-wire walk on a 5cm steel cable over the Grand Canyon late yesterday and was greeted by wild cheer(...)