Rioters attempted on Wednesday evening to break into the Portland Police Association, law enforcement officials said. A protest began near North Lombard Street and North Campbell at around 5:15 p.m., Portland Police said on Twitter. Participants then attempted to break down an entry door of the Portland Police Association. “We are monitoring the situation,” Portland Police said at the time, urging rioters to disperse. “To those participating in the protest, this direction is being given over loudspeaker: stay on the sidewalk, do not try to break into the building or violate any other laws,” officials warned. “If you do you’re subject to arrest and/or use of force including less lethal weapons.” In an update two hours later, Portland Police said on Twitter that “all protesters” had left the neighborhood after causing “some vandalism to the building.” Fifteen officers, three sergeants, and one lieutenant were pulled from patrol duties to protect …