Violence raged for hours overnight as the UCLA campus became a seething pit of confrontation. Clarity was lost in a fog of smoke from fireworks and pepper spray, but what was clear was that at about 11 p.m. Tuesday, a clash began between anti-Israel protesters who had been camped on campus and another group. The violence escalated as police, who were in touch with college officials throughout the chaos, waited for the permission of college officials to do anything, according to KABC-TV. Police began interacting with protesters at about 1:30 a.m. Wednesday, but did not fully engage to end the v…