LENEXA, Kan. (AP) — An off-duty police officer shot and killed a man who brandished a gun inside a Costco Wholesale store in a Kansas City suburb.

The shooting was reported around 11 a.m. Sunday at the store in Lenexa, Kansas, near Interstate 35 and 95th Street.

Lenexa Police Capt. Wade Borchers said the off-duty officer just happened to be in the store shopping when the incident happened. Investigators are still trying to determine what the armed man did before the shooting.

Borchers says he’s thankful the officer was there although he didn’t say which agency the officer works for.

Nikki Lotia of Olathe was shopping in the store during the shooting, and she hid back in the pharmacy. Lotia says the just kept praying during the shooting.