DOUGLAS, Ariz. (AP) — Thousands of swarming bees have left one landscaper dead and another critically injured after the men were stung in southern Arizona.

Douglas Fire Department officials say the landscapers were working on a home around 10:30 a.m. Wednesday when they were attacked by the huge swarm of bees. One man later died at a hospital.

The names of the victims weren’t immediately released.

A hive was found inside the home’s attic and a beekeeper later exterminated it after parts of the roof of the home were torn off.