0
Boston Marathon Bombing: New York and Other U.S. Cities React (PHOTOS)
U.S. on Alert
From Obama to Times Square, see reactions after two bomb blasts rocked the Boston Marathon finish line.
Mario Tama/Getty
MIT Campus, Boston
John Tlumacki/The Boston Globe via Getty
Boston
Michael Dwyer/AP
Los Angeles International Airport
Kevork Djansezian/Getty
Grand Central Terminal, New York City
Mario Tama/Getty
Barclays Center, Brooklyn
Bruce Bennett/Getty
Times Square, New York City
Mario Tama/Getty
Times Square, New York City
Mario Tama/Getty
One World Trade Center, New York City
Julio Cortez/AP
Hicksville, New York
Bruce Bennett/Getty
Boston
Darren McCollester
Marathon Finish Line, Boston
Josh Reynolds/AP
White House, Washington, D.C.
Alex Wong/Getty
