PIX: How drama unfolded during 2nd Boston bomber's arrest

The second Chechen-origin suspect believed to have been responsible for the Boston marathon terror attack is now in custody, Boston police said on Saturday.

"Suspect in custody. Officers sweeping the area. Stand by for further info," the Boston Police twitted late on Friday night, ending hours of search operation in a Boston neighborhood.

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"The suspect is alive and has unspecified medical needs," a federal law enforcement official said on Friday night.

Federal officials later identified the suspect as Dzhokhar Tsarnaev, 19. He is the younger brother of Tamerlan Tsarnaev, 26, who was shot dead by the police on Friday. Dzhokar had managed to escape from there.

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Dzhokar and his elder brothers are believed to have lived in the United States since 2002 or 2003, having come to America with their family.

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The suspects were brothers from a Russian region near Chechnya, which has witnessed deadly bombings carried out by Islamic rebels.

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The duo moved to Kazakhstan before coming to the US several years ago and were permanent legal residents of the country, US media reports said.

"We got him" the Boston Mayor twitted.

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CNN reported that soon after the suspect was taken into custody who was taken into a vehicle, there was applause from the people in the neighborhood.

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According to Boston Globe, Tsarnaev was being brought to Mount Auburn Hospital as he needs some medical attention.

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Dzhokar was caught late on Friday night ending days of manhunt, which started soon after the twin bomb blast in Boston on Monday that killed three people and injured more than 180 others.

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