Police are investigating an assault that happened Tuesday night at the Walmart on 168th and Maple.
Thirty-two-year-old Jeremy Underwood was injured after his girlfriend, 20-year-old Mercedes Jackson allegedly stabbed him with a pocket knife during an argument leaving the store.
Investigators were called to the store around 9:30.
Underwood was taken to the hospital with a cut to his hip.
Jackson allegedly left the store, no word on if she's been arrested or charged with anything at this point.
The store remained open.