KALAMZOO, Mich. — A protester facing charges of trespassing and obstructing police last year after spending 10 hours inside an oil pipeline under construction in southern Michigan says he's running for U.S. Senate.

Thirty-five-year-old Chris Wahmhoff tells the Kalamazoo Gazette he'll seek the seat held by longtime Democratic Sen. Carl Levin, who is retiring.

Wahmhoff hasn't held elected office before and says he hopes to "bring accountability" to corporate America and the federal government. He plans to run as an independent candidate.

Other candidates include Republican Terri Lynn Land and Democratic U.S. Rep. Gary Peters.

Wahmhoff was charged after the protest near Marshall in Calhoun County's Fredonia Township. Calgary, Alberta-based Enbridge's pipeline ruptured nearby in 2010, spilling about 843,000 gallons of oil. Enbridge has said it makes public safety a priority.