One employee was injured as a package with nails and shrapnel bound for Austin, Texas exploded at the FedEx facility on Tuesday, according to the local fire department.
READ MORE: Fourth Explosion in Austin: Two Men Seriously Hurt by Tripwire Blast (VIDEO)
According to the ABC News service, the incident took place at a FedEx distribution facility in Schertz, Texas, just after midnight. The employee who was injured was not hospitalized.
FBI investigators and a bomb squad were reported to come to the scene. No connection has yet been established between the incident and the recent string of explosions in Texas that began on March 2 and already claimed lives of two people.
Late on Monday, two bicyclists were hospitalized with serious but not life-threatening wounds after a similar explosion in Austin which was set off by a tripwire.
On Monday, Police Chief Brian Manley said that investigators believed the same serial bomber was behind four explosions that went off this month in the city of Austin, Texas.