RIVERSIDE, Calif. (KABC) -- A JDI Electric employee has died after a crew was attacked by a swarm of bees in Riverside Monday.There were two different construction projects underway at the Wal-Mart parking lot. The hive was located in an underground sprinkler box on the south end of one construction site.Rescuers say the workers accidentally disturbed the bees' underground hive, and an electrician was stung by the bees.Two other people were also stung: One person had moderate injuries and the other had minor injuries.An exterminator responded to the scene around 4 p.m.Cal/OSHA is investigating the incident.