UPDATE 9-Fifth device explodes in Texas, seen linked to others
March 20, 2018 at 15:16 PM EDT
AUSTIN/SCHERTZ, Texas, March 20 (Reuters) - A package bomb blew up at a FedEx distribution center near San Antonio on Tuesday, the fifth in a series of attacks that have rocked Texas this month and sent investigators on a frantic search for what they suspect is a serial bomber.