TRAVIS COUNTY, Texas – Multiple people called 911 Saturday evening to report a series of explosions in southern Travis County.

Austin Fire Info Tweeted that the calls came in around 6 p.m. reporting the noises in the area of Frate Barker and Brodie Lane.

Law enforcement authorities from Hays County and Travis County, along with Air 1 from the Austin Police Department responded to investigate the source of the explosions.

It was later determined that the noises came from a person on private land used as a gun range that was exploding tannerite.

Tannerite is an exploding target that is often used for gun practice.