The suspect in the Boston Marathon bombings was taken into custody Friday night, bringing to an end a massive manhunt in the Massachusetts capital amid warnings the man was possibly armed with explosives.

Law enforcement officials told CNN that authorities have confirmed the man in custody is 19-year-old Dzhokar Tsarnaev, who escaped an overnight shootout with police that left his older brother Tamerlan Tsarnaev -- the other man wanted in the bombings -- dead.

The younger Tsarnaev was in need of undisclosed medical care, the officials said.

After announcing the arrest on Twitter, Boston police tweeted: "CAPTURED!!! The hunt is over. The search is done. The terror is over. And justice has won. Suspect in custody."

The arrest came less than a week after two bombs exploded near the finish line of the Boston Marathon, shocking the nation and leaving a city on edge.

Tsarnaev was cornered late Friday on a boat in a backyard of Watertown, a suburb of Boston.

Authorities "engaged" the man, according to one of the officials who spoke on condition of anonymity, just minutes after authorities indicated during a news conference that a manhunt for the suspect appeared to come up empty.

【新聞快訊】美國(guó)波士頓警方剛剛宣布，在逃的波士頓爆炸槍擊案嫌犯19歲的焦哈爾·察爾納耶夫已在警方的全城搜捕行動(dòng)中被活捉。他的同犯哥哥塔梅蘭·察爾納耶夫昨日已被警方擊斃。兩人來自俄羅斯車臣。此前，警方在波士頓展開全城搜捕，并將嫌犯圍困在沃特敦一座建筑內(nèi)。15日開始的波士頓馬拉松爆炸槍擊案已造成至少4死176傷。

根據(jù)美國(guó)媒體報(bào)道，焦哈爾·察爾納耶夫和哥哥塔梅蘭·察爾納耶夫也是此前在麻省理工學(xué)院制造槍擊事件的嫌犯，哥哥塔梅蘭在隨后與警方的交火中被捕后身亡。麻省理工槍擊案造成了一名校警死亡。