One of the suspects in the Boston Marathon bombing has been arrested, according to the Boston Globe, which has quoted "an official with knowledge of the investigation".
根据《波士顿环球报》的消息,波士顿马拉松爆炸案的其中一名嫌犯已经被捕。该报消息继续引自“一位参与调查情况的官员”。

Gunfire and explosions have erupted in streets close to Boston's prestigious Massachusetts Institute of Technology after a police officer was shot dead this evening.
就在今天晚上,波士顿著名学府麻省理工学院附近的街道上发生枪战和爆炸事件,一名警察在交战中被击中,随后不治身亡。

美国波士顿麻省理工学院发生枪击案 受伤校警不治身亡>>>

The Globe said one suspect in Monday's Boston Marathon bombings has been captured, but another remains on the loose in Watertown after a firefight with police.
《波士顿环球报》称波士顿马拉松爆炸案的其中一名嫌犯已经被抓获,但另一名仍然在逃,并在沃特敦附近与警察交火。

Local television station WHDH said one of the suspects has died.
当地电视台WHDH称嫌犯已经身亡。

The Boston police scanner told officers they were searching for a white male, with a gray hoodie and dark curly hair, armed with an assault rifle and possible explosives. 波士顿警方是通过警用扫描仪确认,他们在找的嫌犯是个白人男子,留着黑色卷发穿着灰色的帽衫,随身携带冲锋步枪,并可能还携有爆炸物。

He is believed to the suspect wearing a white hat, seen in surveillance footage released today.
据悉,这名男子正是今天FBI公布的监控录像中戴白色帽子的嫌犯。