Humberto Vidal explosion

The Humberto Vidal explosion (sometimes also referred to as the Río Piedras explosion) was a gas explosion that occurred on November 21, 1996 at the Humberto Vidal shoe store located in Río Piedras, Puerto Rico. The explosion killed 33 and wounded more than 80 others when the building collapsed. It is considered one of the deadliest disasters to have occurred on the island.

• http://en.wikipedia.org/wiki/Humberto Vidal explosion