Police move in on North Dakota pipeline protesters – in pictures

This collection of photos documents the interactions of indigenous people and allies, identified as protestors, and law enforcement forces at the Standing Rock camp, capturing the strategies and tactics used by the demonstrators as well as the militarization of the police.

See all photos from The Guardian:

"Officials moved in on demonstrators in North Dakota as increasingly tense protests continued over a disputed oil pipeline that tribal leaders have argued threatens the local water supply."