UPDATE 9:07 P.M. EDT: As shown on U.S. television networks, residents of Watertown are applauding and cheering for police as they pass by in vehicles. Some chanted, “U-S-A! U-S-A!”
UPDATE 9:19 P.M. EDT: Events in Boston appear to mark the first successful terrorist attack on U.S. soil since Sept. 11, 2001. The unofficial death toll in Greater Boston stands at four, with dozens injured. Three people were killed by the twin blasts at Monday’s marathon. A police officer at the Massashusetts Institute of Technology was killed last night.
One of the suspects — Tamerlan Tsarnaev, 26 — was reported dead earlier today after a clash with police. His brother — Dzhokar Tsarnaev, 19 — is now in custody.
UPDATE 9:22 P.M. From Boston Police on Twitter minutes ago:
“In our time of rejoicing, let us not forget the families of Martin Richard, Lingzi Lu, Krystle Campbell and Officer Sean Collier.”
UPDATE 9:30 P.M. The FBI announced on its website at 9 p.m. that Dzhokar Tsarnaev is in custody.
UPDATE 9:33 P.M. Massachusetts Gov. Deval Patrick said on TV that law enforcement brought its “A-game” on behalf of the victims.
UPDATE 9:36 P.M. U.S. Attorney Carmen Ortiz is speaking on behalf of victims, thanking law enforcement and expressing her pride in its effort.
UPDATE 9:40 P.M. FBI Special Agent in Charge Richard DesLauriers spoke on behalf of victims and law enforcement.
UPDATE 9:51 P.M. Boston Mayor Tom Menino on Twitter: “We got him”
UPDATE 10 P.M. Dzhokar Tsarnaev is injured, and police described his condition as “serious.” Precise details of how the injuries were sustained have not immediately been released.
UPDATE 10:05 P.M. President Obama thanks the people of Massachusetts and lauds law enforcement for “professionalism and bravery.” Says the United States will “determine what happened” and that the terrorists failed.