BAD AXE (AP) — Authorities say an eastern Michigan woman was killed and her daughter was injured in a home explosion and fire.

Huron County Sheriff Kelly Hanson said in a statement that the explosion happened Saturday night in the township of Sand Beach. Hanson’s statement says a 69-year-old woman was trapped inside and died, but her 50-year-old daughter was ejected from the house by the explosion. Firefighters were unable to reach the trapped woman for nearly two hours. Authorities have not released any information about what caused the explosion. Hanson says the state fire marshal’s office is investigating.