Gunfire erupted between the Broad Avenue Supermarket owner and a shoplifter on Thursday afternoon in the 7th Ward.
According to New Orleans police, the shoplifter was asked to leave the store many times then returned to the store shortly before 1 p.m. with a gun.
The store owner got his own gun, and the two began shooting at each other inside the store.
The shoplifter fled. No injuries were reported.
NOPD said detectives are working to obtain surveillance video. No other details are available.