The police have increased their presence on US college campuses on Wednesday after forcibly forcibly clearing away some long-running protests against Israel’s conflict in Gaza. At the University of California, Los Angeles (UCLA), many police cars patrolled after clashes erupted overnight when counter-protesters attacked pro-Palestinian students. Classes were cancelled for the day, and UCLA Chancellor Gene Block promised an investigation that could result in arrests or expulsions. Block condemned the violence against pro-Palestinian demonstrators, calling it “shocking” and blaming it on a “group of instigators”. “I don’t think we should have a heavy police force on campus,” said 22-year-old UCLA...