A woman heaved a pail of water at policemen and people behind her threw rocks, according to a Chinalco video and security photos.

根据中铝的录像和安全部门的照片，一位妇女向警察举起了一桶水，在她后面的人扔起了石块。

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Chinalco is also seeking two seats on Rio's board.

中铝还寻求获得力拓董事会的两个席位。

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But that makes them all the more willing to accept the compensation which Chinalco is offering.

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National treasurer Wayne Swan approved the purchase on condition state-owned Chinalco did not buy more Rio shares.

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On the other hand, a second Chinese mining company operating in Peru, state-owned Chinalco, has so far behaved differently.

CENTERFORSECURITYPOLICY: Questionable Chinese mining practices in Latin America