Austin 'On Edge' Over Serial Bomber At Large

For a city trying to return to normal after the annual South by Southwest festival, hip and edgy Austin is simply 'on edge'. Residents have been shaken by four bombings scattered around the city since March 2 and say they are worried about what’s next — and where. One resident said, "The mood of the city is that people are frightened." The four explosions that have killed two and injured four others surround the heart of the city. .Authorities say a “serial bomber” is at large.