Northern Ireland's police chief had earlier called on community leaders to work together to end the violence.

北爱尔兰警察局长早些时候曾呼吁社区领导人共同努力结束暴力。

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A brave police chief foiled an armed robbery by grabbing the raider's shotgun.

一个勇敢的警长夺过歹徒的猎枪，挫败了一起武装抢劫。

《柯林斯英汉双解大词典》

The police chief denies all the charges.

警察长否认所有的指控。

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And,this week, President Obama nominated the police chief from Seattle as the new director for the Office of National Drug Control Policy.

VOA: special.2009.03.14

The Senate confirmed him in May. Formerly,he was the police chief in Seattle,Washington, in the Pacific Northwest.

VOA: special.2010.10.11

Kerlikowske spent years as a police chief in American cities, but he favors treatment programs over jail time for drug uses.

VOA: standard.2010.07.02

The police chief in Paktia province, where the attack happened, said the bomber detonated his explosives around midday.

BBC: Afghan children die as suicide bomber targets soldiers

The four Welsh police chief constables last year questioned the need for elected commissioners.

BBC: Police helmets

The police chief in Dubai has said he is 99% sure of Israeli involvement.

BBC: Venus beats Israeli Peer amid tight security in Dubai