An intense fire tore through a Martinez apartment complex, gutting four units early Tuesday, firefighters said. The blaze broke out around 5:15 a.m. on the 1200 block of Arnold Drive and quickly consumed four apartments, officials with the Contra Costa County Fire Protection District said. The fire was under control around 5:45 a.m. No injuries were reported. Firefighters closed Arnold Road east of Morello Avenue while crews mopped up the fire damage. Evan Sernoffsky is a San Francisco Chronicle staff writer. Email: esernoffsky@sfchronicle.com Twitter: EvanSernoffsky
