Chinese authorities have stepped up its presence in cities across China to clamp down on protestors following a series of demonstrations which turned political over the weekend. The protests come after a fire in a high-rise block in Urumqi, western China, killed 10 people last Thursday. Clara Ferreira Marques, a columnist with Bloomberg Opinion, talks about where these protests which have gone online and have spread amongst the Chinese diaspora overseas, might impact President Xi Jinping's legacy.

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