One person died when a pipe bomb exploded outside a nightclub in West Virginia early Saturday morning, state police told CNN.
The incident, which took place in Barboursville in the southwestern part of the state, occurred around 2:30 a.m.
"We have an individual that brought explosive devices outside of the business. One of the devices detonated proving fatal for the individual," Cabell County Sheriff's Department Sheriff Tom McComas. "I don't know an exact age of the victim. We're still in the infancy of this investigation."
Police evacuated as many as 100 people from an apartment complex, mobile home and 20 to 25 houses while they searched for other bombs, police officers told CNN.
Authorities told CNN they have a theory about what happened, but were unwilling to elaborate on any details.
"It would be imprudent for me to speculate at this point if the bombing was an act of terror," McComas said, adding "it was strange activity" for the working-class town, which sits eight miles west of Huntington.
"We are still in the process of rendering the area safe. We anticipate that to take another hour to three hours," McComas said. "We have a major U.S. route that runs through here, Route 60...we have about a mile of it shut down until we can get the area safe," he said.