OKLAHOMA CITY (KFOR) - Fire crews responded to a commercial fire in Oklahoma City Tuesday morning. Officials say firefighters responded to a building near NW 5th St. and Virginia Ave. around 6:30 a.m. Warehouse fire. Image courtesy OKCFD. Warehouse fire. Image courtesy OKCFD. Fire crews knocked the flames down quickly. It is unknown if anyone was hurt in the fire. The cause of the fire has not been determined. This is a developing story.