Photos posted on social media show riot police attacking demonstrators . China has already tried to boost the use of alternative sources of power , setting standards for solar energy installation and switching from coal to gas in some cities . Protester : ` ` I saw people scuffling with police , some getting beaten and pulled away '' ` ` Every Kunming person cares about this plant , '' another protester said . They fear the plant would produce tons of paraxylene , a carcinogenic chemical .
Photos posted on social media show riot police attacking demonstrators . Protester : ` ` I saw people scuffling with police , some getting beaten and pulled away '' ` ` Every Kunming person cares about this plant , '' another protester said . They fear the plant would produce tons of paraxylene , a carcinogenic chemical .