US experts are researching whether a package bomb that detonated at a FedEx terminal in Texas on Tuesday is associated with a presumed serial plane.
The occurrence happened at 00:30 (05:30 GMT) in Schertz, 65 miles (104km) south of Austin, where four bombs have slaughtered two individuals as of late.
One individual was daintily harmed yet did not require treatment, police said.
FBI representative Michelle Lee revealed to CNN the organization trusted the impact could be associated with the four past assaults.
Nearby media, refering to law implementation sources, detailed that the bundle that exploded in Schertz was routed to Austin, and had been pressed with metal to make shrapnel.
Three of the four past gadgets were covered up in packages left at private locations in Austin. Police said another was most likely actuated by a tripwire, stumbled by two men strolling along a road in south-west Austin.
On the off chance that the blast in Schertz is connected by law implementation to the past four, it will be the first run through the plane has utilized the mail.
The main gadget detonated on 2 March, murdering Anthony Stephan House, 29, at his home.
Two more bombs detonated 10 days after the fact. Draylen William Mason, 17, was murdered and his mom was fundamentally harmed when he brought a bundle inside his home from the doorstep.
Hours after the fact, a 75-year-old Hispanic lady, who has not been named, was harmed by another bundle.