Frances Rios

FBI says last week's blast at Puerto Rico fuel storage site was accident caused by vapor leak. The FBI said Friday there is no evidence of sabotage in last week's explosion at a Puerto Rico fuel depot, which burned for more than two days and forced the evacuation of hundreds of people.

FBI says last week's blast at Puerto Rico fuel storage site was accident caused by vapor leak. The FBI said Friday there is no evidence of sabotage in last week's explosion at a Puerto Rico fuel depot, which burned for more than two days and forced the evacuation of hundreds of people.

Explosion at fuel storage facility in Puerto Rico forces evacuations in island's capital area. An explosion at a fuel storage site sent earthquake-force shock waves across Puerto Rico's capital Friday and set more than a dozen tanks on fire, sending up a tower of inky smoke that forced airliners to alter flight paths.