Residents of Louisville, Kentucky were forced to hide inside the Jefferson Mall after gunshots were heard there, local media reported on Sunday.
No injuries were reported but police did locate shell casings outside in the parking lot of the mall.
Police "did find shell casings outside in the parking lot", LMPD spokeswoman Alicia Smiley told the Louisville Courier Journal. The police added that the windows of two businesses "were both struck by gunfire".
A MetroSafe dispatcher also reportedly told the outlet they received "dozens" of reports of a shooting at the mall at around 5 pm local time.