Canadian skyrunner goes missing during training session for Matterhorn record attempt

• Kalie McCrystal was hoping to break record in Alps

• Athlete was last seen on Tuesday afternoon

Canadian athlete Kalie McCrystal has gone missing during preparations for a record attempt in the Alps.

McCrystal, from Squamish in British Columbia, was on a reconnaissance/training session" in the run-up to her attempt at ascending and descending the 14,692 ft (4,478m) Matterhorn on the Swiss-Italian border.