A 50,000 gallon diesel fuel tank at a critical transformer substation south of Tucson near a border town that has been the center of immigration news lately was the target of an attack last week, but the make-shift bomb failed to cause a major explosion or power outage.

More than 30,000 Arizona residents could have been stripped of all access to power for their homes and businesses, for an unknown period of time, if the explosive device had knocked out their critical transformer substation.

Instead, the device — roughly described by local police as a homespun device that could fit in the palm of your hand — failed to ignite the diesel fuel in one of the storage tanks for four back-up power generators housed at the site. 

“On the morning of June 11th, an employee discovered that a hole bad been cut in the fence of a substation that serves Nogales AZ and that the remains of a crude incendiary device was found at the base of a diesel fuel tank,” Joe Salkowski, UniSource Energy Services spokesman told TheBlaze.

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Reports last week indicated a large explosion had occurred at the plant, but Salkowski said, “The device caused a small, temporary fuel leak and blackened a small section of the surface of the tank, but did not cause any serious damage to the fuel tank.”

The targeted facility is an electric substation just a few miles north of the U.S.-Mexico border, that provides service to the city of Nogales and the surrounding areas. Most of the power delivered to the customers comes through that substation by way of a transmission line — the large electric cables you see lining the highway and crossing the country — that links the Nogales plant to a larger substation the Tucson area.

Read more at:  http://www.theblaze.com/stories/2014/06/16/another-attack-discovere...