Latest: Details emerge about Texas serial bombing suspect who died in explosion

Latest: The suspect in the deadly bombings that terrorised Austin, Texas, blew himself up as authorities closed in on him, but police have warned that more bombs could be out there.

Update 5.03pm: The suspect in the deadly bombings that terrorised Austin, Texas, blew himself up as authorities closed in on him, but police have warned that more bombs could be out there.

The suspect's motive remained a mystery, along with whether he acted alone in the five bombings in the Texas capital and suburban San Antonio that killed two people and wounded four others.