莫斯科安全部门保持高度警惕，身着便衣的美国安全人员同莫斯科警方混杂在一起。
THE security services in Moscow are on high alert and plain-clothed American security men mingle with Moscow police.
人群中有穿着便衣的警察。
目前已经有约60人被禁止在周五那天出现在游行路线附近，到时穿制服的警察和便衣警察都会在人群中或天台上巡逻。
Some 60 people have already been banned from the parade route Friday and both uniformed and undercover officers will be in the crowds or on rooftops.
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