Police clash with North Dakota pipeline protesters, arrest one

Hundreds of protesters opposed to a North Dakota oil pipeline project they say threatens water resources and sacred tribal lands clashed with police who fired tear gas at the scene of a similar confrontation last month, officials said. An estimated 400 protesters mounted the Backwater Bridge and attempted to force their way past police in what the Morton County Sheriff's Department initially described as an "ongoing riot," the latest in a series of demonstrations against the Dakota Access Pipeli