Package explodes in Austin, Texas

The package was mailed from Austin, where four bombings this month have killed two people, wounded four and stumped hundreds of local, state and federal law enforcement officers. 

According to the San Antonio Fire Department, the package exploded shortly after midnight at a distribution facility in Schertz, about 100 kilometres south of Austin.

The parcel was on a conveyer belt when it detonated.

There were no details on what caused the explosion or if it was connected to a string of recent bombings in Austin and San Antonio.

The four bombings since March 2nd in Austin have killed two and injured four others./.