Police detain ABVP activists after their clash with AISA students. Pic/PTI

New Delhi: Delhi University's prestigious Ramjas College yesterday almost turned into a war zone with students from Left-affiliated All India Students Association (AISA) and RSS-backed Akhil Bharatiya Vidyarthi Parishad (ABVP) resorting to violent clashes including hitting each other with hockey sticks that left many of them bleeding.