And one of the brothers points a gun at the police officer.

兄弟中的一个用枪指着警察。

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And one of the brothers points a gun at the police officer.

兄弟中的一个用枪指着警察

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After the two brothers engaged in a gun battle with police early Friday, authorities found many unexploded homemade bombs at the scene, along with more than 250 rounds of ammunition.

NPR: Boston Marks Week From Marathon Bombs With Silence

After the MIT shooting, the brothers allegedly used a gun to steal a Mercedes sport-utility vehicle, briefly kidnapping the driver and telling him they were responsible for the bombings, U.S. officials said.

WSJ: Bombing Suspect In and Out of Consciousness

After the Chinese entrepreneur eventually escaped, police caught up with the brothers and engaged in a gun battle that left Tamerlan Tsarnaev dead.

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