SHARE THIS VIDEO —
Massive gas explosion sparks inferno in San Francisco
Catch up with NBC News Clone on today's hot topic: Mmvo52952133904 - Breaking News | NBC News Clone. Our editorial team reformatted this story for clarity and speed.
San Francisco firefighters were battling a massive three-alarm blaze after an explosion at a construction area spread to at least four buildings nearby.
NBC News Clone will keep curating essential reads for you — simplified and optimized.
