A flash flood killed a hiker in the Sabino Canyon area near Tucson and one person is missing. More than twenty hikers had a close call
http://www.azstarnet.com/dailystar/195038
I hiked over there earlier this year. They have a trolley tram system that takes folks up about half way. I've never seen so many sandles and flip flops on the trail before. Quite a few of the trails follow or cross steep canyon gullies.