David Swanson/ReutersPolice officers were called to quell violent scenes that broke out on the UCLA campus late Tuesday as opposing groups of protesters brawled inside the pro-Palestine encampment.The Los Angeles Police Department confirmed early Wednesday that its officers were helping to “restore order and maintain public safety.” It said it was acting at the request of UCLA “due to multiple acts of violence within the large encampment on their campus.”NYPD Carts Off Dozens of Columbia Student