SIOUX FALLS (KELO.com) – That was not thunder or fireworks early Saturday morning near 26th Street and I-229
Officers were called to the construction zone northeast of the I-229 and 26th Street intersection Friday.
Construction crews had dug up some old demolition explosives in the area.
The Sioux Falls Bomb Squad set off the explosives safely early Saturday morning. Just a loud noise resulted.
Several roads were shut down temporarily, but have reopened.