A power outage that shut off runway lights and affected more than 15 flights at Tucson International Airport Friday night was caused by a construction mishap, the Tucson Airport Authority said Monday.

The outage occurred at about 7:30 p.m. Friday and power wasn’t restored until about 10 p.m.

Fifteen incoming flights were affected, including five diverted to Phoenix before taking off and landing in Tucson, and one outbound flight was delayed, airport officials said.

Read more: http://tucson.com/news/local/runway-light-outage-at-tucson-airport-blamed-on-construction-mishap/article_e7c14321-1558-5d90-8dc6-7e60caeea16a.html