>> at least two people were killed and more than 30 injured. >> in lower manhattan, an explosion this afternoon left at least three dead. >> the explosion took 11 lives in a baggage claim area. >> terrorists felt they had to innovate either in the direction of higher profile targets or higher body counts. >> in birmingham, england, several bombs blew up in the center of the city tonight. at least 17 people are dead. at least 70 more are injured. >> the first bomb went off in a crowded pub near the birmingham city center. minutes later and less than a hundred yards away, a second bomb exploded in another pub. there have been 200 people inside. police said they were still searching for bodies in the rubble. >> terrorism only works when it shocks people. the mid-1970s, the i.r.a. attempts an entirely new tactic, to bring the conflict to the british mainland. >> the british homefront has itself become a battlefield in the raging guerilla war over northern ireland.