Watertown, Massachusetts: After a day-long of extraordinary drama in the United States, police captured a 19-year-old man suspected of carrying out the Boston Marathon bombings with his older brother on Friday. 

Dzhokhar, suspected to be behind the twin blasts at the Boston Marathon early this week was arrested after an exchange of gunfire with the police in which his accomplice brother was killed.

He was captured from a boat, where he was hiding, authorities announced.

A Massachusetts State Police spokesman said Tsarnaev was bleeding and in serious condition in a hospital. He had been hiding in the stern of a boat parked in the backyard of a house in Watertown, police said. A resident called police after seeing blood on the boat.

The arrest closed down the city and turned a working-class suburb into a virtual armed camp.

The break in the case sent waves of relief through the Boston suburb of Watertown where armoured vehicles roamed the streets and helicopters flew overhead through the day.

Residents and police officers cheered and clapped when the suspect, Dzhokhar Tsarnaev, was caught after an exchange of gunfire with police.

President Barack Obama told reporters at the White House after the suspect's capture that questions remained from the bombings, including whether the two suspects received any help.

The Boston Police Department said in a message on Twitter: "CAPTURED!!! The hunt is over. The search is done. The terror is over. And justice has won. Suspect in custody." Boston Mayor Tom Menino said, "we got him" on Twitter.

Tsarnaev is one of two brothers believed to have set off bombs made in pressure cookers and packed with ball bearings and nails at the finish line of the world-famous event, killing three people and injuring 176.

The older brother, Tamerlan Tsarnaev, 26, was killed on Thursday night in a shootout with police less than a mile from where Friday night's capture took place.

"We are so grateful to bring justice and closure to this case," Massachusetts State Police Chief Colonel Timothy Alben told a news conference. "We are exhausted folks, but we had a victory here tonight."

Police cars and armored vehicles surrounded the house on Friday night shortly after police told a news conference that the suspect fled on foot and was still on the loose. After the capture of Tsarnaev, authorities said the investigation was still open.
Police in New Bedford, Massachusetts, 60 miles (96 km) south of Boston said three other people had been taken into custody for questioning about Monday's bombings. No other details were provided.

Earlier on Friday, Alben said that officers went door-to-door in Watertown and searched houses. During the search for the men on Friday, two Black Hawk helicopters circled the area. SWAT teams moved through in formation, leaving an officer behind to ensure that searched homes remained secure, a law enforcement official said.


Some details emerged on Friday about the brothers, including their origins in the predominantly Muslim regions of Russia's Caucasus, which have experienced two decades of violence since the fall of the Soviet Union.
The younger brother described himself on a social network as a minority from a region that includes Chechnya, Dagestan and Ingushetia.

A man who told reporters he was an uncle of the brothers said they came to the United States in the early 2000s and settled in the Cambridge, Massachusetts, area.

Ruslan Tsarni, who lives in suburban Washington and has not spoken to the brothers since 2009, said the bombings "put a shame on our family. It put a shame on the entire Chechen ethnicity.

In separate interviews, the parents of the Tsarnaev brothers said they believed their sons were incapable of carrying out the bombings. Others remembered the brothers as friendly and respectful youths who never stood out or caused alarm.

"Somebody clearly framed them. I don't know who exactly framed them, but they did. They framed them. And they were so cowardly that they shot the boy dead," father Anzor Tsarnaev said in an interview with Reuters in Dagestan's provincial capital, Makhachkala, clasping his head in despair.

The FBI said the twin blasts were caused by bombs in pressure cookers and carried in backpacks that were left near the marathon finish line as thousands of spectators gathered.

The mother, Zubeidat Tsaraeva, speaking in English, told CNN, "It's impossible, impossible, for both of them to do such things, so I am really, really, really telling that this is a setup."

The bombings elicited a response from Moscow condemning terrorism and from the Russian-installed leader of Chechnya, who criticized police in Boston for killing an ethnic Chechen and blamed the violence on his upbringing in the United States.


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