By JAMES MacPHERSON and BLAKE NICHOLSON Associated Press CANNON BALL, N.D. – A SWAT vehicle is ready for use if it becomes necessary to use force to remove the remaining protesters from the now-closed Dakota Access pipeline protest camp on federal land in North Dakota, authorities said Thursday. American Indian elders have told police there are people willing to resort to drastic measures to stay in the camp that was shut down Wednesday ahead of spring flooding, Highway Patrol Lt.