Portland police arrested five people during a May Day protest at an Immigration and Customs Enforcement facility in south Portland on Friday evening. Protesters gathered to advocate for worker and immigrant rights and to push for revoking the ICE facility's permit. Police reported that protesters threw rocks and water bottles at officers, injuring two. Portland police made multiple arrests during May Day protests on Friday, May 1, 2026, near the ICE facility in South Portland. Officers arrested nine people at a hotel sit-in demonstration, and additional arrests were made throughout the day and evening during protest activities near the ICE facility. Police reported that some protesters threw rocks and water bottles at officers, with one officer sustaining a non-life-threatening injury.