ELK CITY, Okla. (AP) — Emergency management officials say a fire at a western Oklahoma trucking company was under control following an explosion that injured two people.

Beckham County Emergency Management Director Lonnie Risenhoover  said the cause of the Saturday morning explosion at Hodges Trucking Company in Elk City was not known.

Risenhoover said one company worker was flown to an Oklahoma City hospital while the other was hospitalized in Elk City. The severity of the injuries was not known.