Eight protesters were arrested Wednesday morning as they blocked a van from leaving a U.S. Immigration and Customs Enforcement facility in Southwest Portland. A video shows a band of protesters linked at the arms, blocking the van from exiting the facility. It also shows several of them being detained by federal officers, who deployed pepper balls at close range, as well as pepper spray. One detained protester ran away, but the video appears to show authorities leading that protester back to the scene. Robert Sperling, a Federal Protective Service spokesman, said officers went after that protester but didn't know whether...