| http://www.w3.org/ns/prov#value | - But peaceful protesters were caught up in the fray, too, as police fired tear gas canisters into their midst and at times indiscriminately used pepper spray.Thundering booms echoed off stately colonial buildings as rubber bullets and gas were fired at fleeing crowds.At least 40 people were injured in Rio, including protesters like Michele Menezes, a wisp of a woman whose youthful face and braces b
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