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The South Dakota State Fire Marshal's Office is investigating a house explosion that killed two people.

The house near the town of Fort Pierre exploded around 10:20 a.m. Wednesday, KELO-TV reported. 

Names and ages of the victims have not been released. A man and two children also were hospitalized. Their conditions were not released.

SOUTH DAKOTA REPORTER PLEADS GUILTY TO MAKING PRANK CALL USING GOV. KRISTI NOEM'S CELLPHONE NUMBER

SD news

A house explosion in Fort Pierre, South Dakota, killed two people. The state Fire Marshal's office is investigating the accident.

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Stanley County Sheriff Brad Rathbun said neighbors in the rural area heard the blast and alerted authorities. The cause of the explosion is under investigation.