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A police vehicle sprays blue-colored water towards anti-government protesters during a demonstration near Central Government Complex in Hong Kong, Sunday, Sept. 15, 2019. Police fired a water cannon and tear gas at protesters who lobbed Molotov cocktails outside the Hong Kong government office complex Sunday, as violence flared anew after thousands of pro-democracy supporters marched through downtown in defiance of a police ban. (AP Photo/Kin Cheung)