Vigils, protests around the world commemorate the anniversary of Hamas attack on Israel The Associated PressOct. 7 attack: Pro-Palestinian protests, college walkouts expected in NYC one year later ABC7 New YorkPro-Israel and Pro-Palestinian Students at Columbia Hold Side-by-Side Protests The New York TimesSecurity barriers go up at Columbia as NYC campuses brace for Oct. 7 protests GothamistNYC protests as Israelis, battling on multiple fronts, mark year since Hamas’ Oct. 7 attack NBC New York