Police detain driver who accelerated toward protesters at Portland State University in Oregon The Associated PressPolice return to Portland State University, retake library, make more arrests KATUClean-up, search for suspects continue as PSU campus is calm Friday morning KOIN.comCar pulls up to group at PSU, driver sprays crowd with mace Fox 12 OregonCollege protests updates: More than 2,100 arrested in pro-Palestinian protests on U.S. campuses The Washington Post