Package headed for Austin blows up at FedEx facility near San Antonio

Fox News:

A device exploded early Tuesday at a FedEx ground distribution facility in Texas, which may be linked to a string of bombings that have rocked the state's capital this month, federal officials said.

Schertz Police Lt. Manny Casas told Fox San Antonio a medium-sized box was on the conveyor belt when the explosion occurred. Casas said a woman was treated for a “possible sound injury” and was released. He said the blast happened shortly after midnight.

Schertz police couldn’t immediately confirm what was in the package, but law enforcement officials told KSAT the medium-sized package contained metal shrapnel and nails and was headed to Austin when it exploded on a conveyor track.

The blast drew a large response from state, local and federal law enforcement agencies. Federal agents told the Associated Press the package is likely linked to attacks in Austin, while an ATF spokesperson told Fox News that officials are processing evidence at the scene and its "too early" to say if this fifth blast is related.

An ATF official told Fox News officials are looking at the latest blast due to the proximity to Austin and the other blasts. Officials are carefully combing the scene at the 100,000 square foot facility, the official added.

Schertz is located 22 miles east of San Antonio and 73 miles south of Austin.
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I will be interested to see if forensics can find enough of the shipping label to identify the shipper and the person it was intended for.  The contents of the box could also provide clues.  The bomb attacks may lead to a requirement of x-raying shipping boxes.