On Sunday at approximately 3:20 a.m., Los Angeles Fire Department responded to a commercial structure fire in the 2400 block of West Martin Luther King Jr Boulevard at the 98 Discount Store. When arriving on scene, crews located fire at the rear of the location which was spreading to the inside of the structure. Firefighters commenced an aggressive attack and had knockdown achieved in approximately 20-25 minutes. The cause of the fire is unknown at this time. LAPD is handling the investigation.