Puerto Rico Gas Explosion is the 26th episode of Seconds from Disaster says how a propane leak was ignited without detection.
Plot[]
For days, a foul smell hangs around in the Humberto Vidal shoe store in San Juan, Puerto Rico. The smell is caused by leaking propane gas coming from an unmapped pipe in the sloping road near the shoe store. Then, an air conditioner with bad wiring is switched on, starting a spark that ignites the propane and the store explodes, claiming 33 lives.