The North Dakota tribe opposing the controversial Dakota Access pipeline called on U.S. Attorney General Loretta Lynch on Tuesday to investigate law enforcement tactics against activists as protests, blockades, arrests, and violence intensify. Over the past months, a growing law enforcement presence has clashed repeatedly with self-described water protectors near Dakota Access pipeline construction sites south of Bismarck,
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with both groups blaming each other for escalations that have resulted in injuries and mass arrests. No shots have been fired against people — however, over the weekend, officers shot at a drone that was supposedly flying too close to a surveillance helicopter. And late last month an officer drew his weapon after a protester on horseback allegedly charged the officer.