TEXAS COUNTY, Missouri - Missouri authorities believe that a man killed seven people late Thursday night before turning his gun on himself.

The Missouri State Highway Patrol said in a statement that the apparent suspect was a 36-year-old man from Tyrone, which is located in the southern part of the state. He was found in a vehicle dead of an apparent gunshot wound.

The body of an elderly woman who appeared to have died of natural causes was also found.

Authorities planned to hold a news conference at 10 a.m. ET.

The rampage was spread among four residences in Tyrone.

A girl called the Texas County Sheriff's Department Thursday night saying she had fled to a neighbor's house after hearing gunshots in her home. Deputies who responded to her residence found two dead victims.

Throughout the night, authorities found five more dead victims and one wounded victim at three additional residences in Tyrone.

The elderly woman's body was found at a fifth residence.

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