Two children and two adults are in stable condition after they were attacked by bees in Mesa on Tuesday afternoon.
According to the Mesa Fire Department, the four were doing yard work near Lindsay and Brown roads when the bees reportedly came out of a hole in the ground.
Fire officials say "some of the individuals" are showing signs of multiple stings.
One person may be going to the hospital for assessment, officials said.
Crews used foam to stabilize the scene.