Faulty safety switch causes latest Calgary Tower elevator glitch

 11 Grade 3 students on a field trip from Mckenzie Towne school, several  parent volunteers and a Calgary Tower staff member now know why they found themselves stuck for over an hour in an elevator Tuesday at the Calgary Tower. “A safety device stopped the elevator from moving when it detected a problem with a safety switch,” said Dean McKernon, Vice President of Operations for the Alberta Elevating Devices Amusement Rides Safety Association. The association said they were