Cambridge, Massachusetts, has been in a lockdown after a series of events that followed when suspects in the Boston marathon bombing shot Sean Collier, a young Massachusetts Institute of Technology police officer (badge 179 but yet unnamed) in his cruiser. Rediff team reports.
The two Chechen brothers accused of the Boston Marathon bombings are "twisted, perverted, cowardly knock-off jihadis" who failed to instill fear in the American people, United States Vice President Joe Biden has said.