UPDATE, 7/21/16: The Coconino County Sheriff's Office has confirmed a 17-year-old male hiker from the Tempe area was killed Wednesday after being struck by lightning near the summit of Humphreys Peak.  Two other males, ages 17 and 18, were transported to Flagstaff Medical Center. Officials say they likely sustained injuries during the strike, but the surviving hikers were conscious and walking when emergency responders reached them.