PINE RIDGE -

Three people are dead after an explosion in western South Dakota.

According to the Oglala Sioux Tribe, a duplex on the Pine Ridge Indian Reservation exploded Thursday afternoon.  Several people are injured and have been hospitalized and three people are reported dead.

According to the tribe, tenants in a two-family duplex on the east side of Pine Ridge smelled gas and were searching for a leak before the explosion. 

Crews continue to search through the rubble of the house.