By Dalia Faheid, CNN (CNN) — The New York Police Department arrested more than 100 people Thursday on suspicion of criminal trespass during a pro-Palestinian protest at Columbia University that began with an encampment a day earlier, according to a law enforcement official. Columbia University President Nemat “Minouche” Shafik sent a letter Thursday to NYPD requesting they remove people who were occupying the South Lawn of the university’s campus after being told that they “are in violation of the University’s rules and policies” and are trespassing, according to the letter, which was released by the university. More than 108 arrests...