The Latest: FedEx bomb believed to be tied to Austin attacks

AUSTIN, Texas (AP) — The Latest on serial bombings in Texas (all times local):

7 a.m.

Federal investigators say a package that exploded at a FedEx facility near San Antonio is believed to be linked to the string of bombings that has terrified the Texas capital this month.

Special Agent Michelle Lee of the FBI in San Antonio says she has no confirmed reports of any injuries in the blast. But the police department in Schertz, where the FedEx facility is located, issued a statement saying one person was treated at the scene and released.

Lee says it is still early in the investigation, but “it would be silly for us not to admit that we suspect it’s related” to the four Austin bombings that have killed two people and injured four others since March 2. The latest bombing in Austin injured two men on Sunday.

Lee didn’t have details about the size, weight or description of the package.

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5:30 a.m.

Federal agents tell The Washington Post that a package bomb exploded shortly after midnight Tuesday inside a FedEx distribution center in Schertz, Texas.

Spokeswomen for the FBI and the ATF say both agencies are at the scene.

The explosion happened at the facility just northeast of San Antonio sometime around 1 a.m., said FBI Special Agent Michelle Lee. ATF spokeswoman Nicole Strong said that early indications are that no one was injured.

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5 a.m.

A website that monitors fire and police activity in San Antonio, Texas, says a package bomb has exploded at a FedEx distribution center in Schertz, Texas, hurting 1 person, a FedEx employee who apparently suffered a non-life-threatening “percussion-type” injury from the blast.

The FBI and ATF are at the scene. Federal agents say this package is likely linked to attacks by what they believe is a serial bomber. The package exploded shortly after midnight on Tuesday.

The Associated Press reported erroneously earlier Tuesday that the San Antonio Fire Department said one person had suffered a non-life-threatening “percussion-type” injury from the blast. That information came from SanantonioFIRE, a local media website that reports on local police, fire and emergency service news, and could not immediately be independently confirmed.

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1 a.m.

Police and federal agents said Sunday night’s blast triggered along a street by a nearly invisible tripwire suggests a “higher level of sophistication” than they have seen before in three early package bombs left on doorsteps, and means the carnage is now random, rather than targeted at someone in particular.

William Grote says the attack, by a suspected serial bomber that has terrorized Austin for weeks, left what appeared to be nails embedded in his grandson’s knees.

Two people are dead and four injured, and authorities don’t appear closer to making any arrests in the four bombings that have rocked the capital city.

Authorities haven’t identified the latest victims, but Grote told The Associated Press that his grandson was one of the two men wounded in southwest Austin’s quiet Travis Country neighborhood. They suffered what police said were significant injuries and remained hospitalized in stable condition.