Authorities say one person was shot and critically wounded and seven people arrested early Sunday morning as police used smoke and tear gas to enforce a curfew in the U.S. town of Ferguson, Missouri.
ຕຳຫຼວດລັດ Missouri ໃຊ້ລະເບີດນ້ຳຕາ ຕໍ່ພວກປະທ້ວງ

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A law enforcement officer aims his rifle, Aug. 17, 2014, after tear gas was fired to disperse a crowd protesting the shooting of teenager Michael Brown last Saturday in Ferguson.

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A protester reaches down to throw back a smoke canister as police clear a street after the passing of a midnight curfew meant to stem ongoing demonstrations in reaction to the shooting of Michael Brown in Ferguson, Missouri, Aug. 17, 2014.

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People defy a curfew, Aug. 17, 2014, before smoke and tear gas was fired to disperse a crowd in Ferguson.

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A law enforcement officers check a building, Aug. 17, 2014, after tear gas was fired to disperse protesters in Ferguson.