Environmental groups have been pressing President Barack Obama to reject the pipeline, saying it would carry "dirty oil" that contributes to global warming. But business and labor groups have urged approval of the project, saying it would provide much-needed jobs and encourage North American energy independence.
Dodson said Monday's incident is the second in Oklahoma in recent weeks in which a protester was arrested after attaching themselves to a piece of equipment at a job site. He said a Norman woman was arrested last week after locking herself to a piece of machinery at a job site near Ada.
Sean Murphy can be reached at www.twitter.com/apseanmurphy