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Demonstrators attacked police cordons using sticks and assorted missiles .

示威者用棍棒和各种投掷物攻击警方警戒圈。

Some of the crowd attempted to break through police cordons .

人群中有些人试图突破警察的警戒线。

The crowd attempted to break through police cordons .

群众中有些人试图突破警察的警戒线。

Some police officers beat protesters , and formed minimally effective cordons .

一些警察殴打示威者，并形成了微创有效的警戒线。

They tried to break-through police cordons , using sticks and assorted missiles .

他们使用棍棒和各投射物，试图突破警察的警戒线。