One horse is dead and another is recuperating after being attacked by a swarm of bees in Arizona last month.

Prescott, Arizona, Fire Department Division Chief Fire Marshal Don Devendorf said fire personnel responded to a call from a woman reporting that she and a companion were being attacked by bees on April 27. Upon arrival, firefighters discovered the women’s’ heads and faces covered by hundreds of bees. Four horses in a nearby corral were also covered in bees, Devendorf said.

“The women and the animals were all being stung aggressively,” he said.

The women were transported via ambulance to a nearby hospital emergency room, where they were treated for multiple bee stings and released