Demonstration in Hong Kong
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Anger at Cantonese language switch

2 August 2010 Last updated at 04:12 BST

Protests against a proposal Cantonese speakers see as damaging to their language have spread from Guangzhou, in southern China, to Hong Kong.

Hundreds took to the streets against a suggestion to change the broadcast language of local TV stations from Cantonese to Mandarin.

The BBC's Stephanie Holmes reports.