Bombs baffle police

AUSTIN/SCHERTZ, Texas – The series of parcel bombs in Texas that have killed two people and put residents on edge escalated on Tuesday with two more incidents, a bomb that exploded at a FedEx distribution centre near San Antonio and one that was discovered before it detonated.

A third explosion on Tuesday evening in Austin was not a package bomb and officials said it did not appear to be related to the other incidents.

The latest cluster of booby-trapped packages brought to six the number of explosive devices — five that detonated — that have come under investigation in Texas this month as the work of a possible serial bomber.

Baffled investigators have taken the extraordinary step of making public appeals asking that whoever is responsible to at least come forward with a demand or an explanation.