As the crowd fought back, the police simply could not regain control of the streets.

随着人群的回击，警方已根本无法再控制街道了。

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"The police tried to persuade the suspects to surrender, but they fought back" with guns and pipe bombs, said Ryco Amelza Dahniel, deputy chief of the provincial police.

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When gangs of tough, determined Mubarak supporters were bussed in by the police and army to wrest control of the square from them, the demonstrators fought back with even greater ferocity.

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