A new sign at the trail Wednesday morning cautions hikers to look out for bees.

Eight hikers were treated by Phoenix fire crews after being attacked by a large swarm of bees on Camelback Mountain, ...

Several hikers needed help getting off Camelback Mountain after a swarm of bees attacked. A bear may have killed a hiker in ...

Eight hikers are recovering after being swarmed by bees on Camelback Mountain. The popular Echo Canyon and Cholla trails ...

Video from one hiker shows several people shaking their heads and flailing their arms, attempting to get away from the bees.

Eight hikers were stung by a swarm of bees on Camelback Mountain trails in Phoenix on Tuesday morning, sending one person to the hospital.

Echo Canyon Trailhead is closed after eight hikers were attacked by bees on Camelback Mountain on Tuesday morning. Molly ...

Rescue crews responded to Camelback Mountain on Tuesday morning after several hikers were attacked by bees.