An explosion leveled a house near Fort Pierre, South Dakota, Wednesday, killing two grandparents and their 6-month-old granddaughter. Reached by phone Thursday, Stanley County Sheriff Brad Rathbun ...

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.

Updated: May 25, 2023 / 11:00 AM CDT FORT PIERRE, S.D. (KELO) — Two people died in a house explosion southeast of Fort Pierre, according to authorities at the scene Wednesday afternoon.