Portland police today arrested Tre Arrow on an allegation of domestic-violence related fourth-degree assault.

An officer arrested Arrow, 38, at 9:01 a.m. in the 5100 block of Northeast 28th Avenue.

He was booked into the Multnomah County Detention Center an hour later and is being held on $5,000 bail.

Arrow is on the ballot as a candidate for Portland mayor. He became publicly known as the man who sat on a 9-inch window ledge for 11 days at the U.S. Forest Service's Portland headquarters in 2000.

Arrow last month filed a prospective nominating petition with Portland's elections office. The one-time congressional candidate and environmental activist who turned into an FBI most-wanted fugitive gathered at least 100 valid signatures to be on the Portland ballot.

Arrow, who

in 2008 to two counts of arson and served time in prison,

.

Arrow, who participated in the

protests, drew the attention of Portland firefighters earlier this year when he climbed a tree to reportedly deliver messages about nature.

City code allows residents with criminal records to run for office.

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