At approximately 10:00 am, protesters began assembling on Hwy 6 at AR 118.  A group also was reported as being at the construction site at AR 119.  Law enforcement responded and encountered a roadblock that protesters has established at Co Rd 135/Co Rd 81.  Law enforcement ordered the protesters at the roadblock to disperse and cleared the roadway but the protesters refused to leave.  Law enforcement subsequently arrested approximately 30 persons at this location. The protesters at AR 119 damaged DAPL equipment at this location, to include breaking windows, tearing wiring, spraying fire extinguishers into or onto engines.  Law enforcement removed the protesters from AR 119 and arrested 3 at this location.  Law enforcement removed the protesters from Hwy 6 at AR 118 and the area was cleared at approximately 1:30 pm.  Protesters slashed tires on 6 squad cars that were parked at this area.  Highway 6 was closed during the protest event due to the protesters obstructing the roadway.  A Veteran’s Ceremony was held on the Backwater Bridge from approximately 11:00 am – 11:45 am.  This event involved 300-400 persons who left the Seven Councils Camp.  No problems were encountered with this event. At approximately 1:20 pm, a group of approximately 25 protesters left Legion Park and marched to the Morton County LEC where they staged a protest.  No problems were encountered and at approximately 2:30 pm, this group left the LEC and returned to the park and dispersed. At approximately 2:45 pm, protesters began assembling at the intersection of Hwy 6/Hwy 21.  This group grew to approximately 75 and they blocked the highway.  Law enforcement responded and met resistance in clearing the protesters from the highway.  4 persons were arrested as officers dispersed the protesters.  Highway 6 was closed from approximately 2:45 – 4:50 pm while this was occurring.  A total of 37 protesters were arrested as a result of all the protest activities.