A few years ago, Mr Rivers accompanied Mr Bratton on a trip to London where he promoted his ideas for tackling gangs and violent crime.

几年前，里弗斯先生在陪伴巴拉顿去伦敦的旅途中改进了关于解决帮派和暴力犯罪的观点。

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She said that working with communities and tackling violent crime would be a priority.

BBC: Justine Curran

As well as tackling violent crime, the troops will support police and community groups to deter offences such as street drug-dealing and public drunkenness.

BBC: Chavez deploys troops to fight Venezuela crime wave