WATCH | More than 100 North Dakota Pipeline protestors were arrested.
After an hours-long standoff at the Dakota Pipeline in Morton County, North Dakota, law enforcement officials arrested at least 141 people on Thursday, according to CNN.
Most of the arrests were for trespassing.
It is unclear whether the arrests will slow down the protests.
North Dakota sheriffs began removing protesters from camp on the private building site of the Dakota Access Pipeline on Thursday morning, reports the Huffington Post. The authorities also announced they will be dismantling a roadblock set up by Native American and environmental activists.
The Dakota Access Pipeline has become a contested project in recent months due to growing concerns over the safety of drinking water and Native-American burial sites.
Authorities in North Dakota are removing protesters from the Dakota Access Pipeline site
The Morton County Sheriff's Office says it's doing this in the interest of public safety.
Sheriff Kyle Kirchmeier told the Huffington Post, "I can't stress it enough: This is a public safety issue. We cannot have protesters blocking county roads, blocking state highways or trespassing on private property."
Many different agencies are working to support the sheriff's department. Officers were dressed in riot gear and some carried arms as they approached the camp.
Some protesters are even on horseback.
For more, check out the 60 Second Circa.