February 24, 2015 1:40 pm WATCH: Chopper 4 Catches Ice on the Hudson Get a bird’s eye view of the icy Hudson River near New York City. Local 0:23 Pro-Palestinian protesters take over Hamilton Hall at Columbia University 3:01 I-Team: NYPD officers testify in surveillance video controversy 1:59 2 suspects charged with murder in Long Island body parts case 2:35 Extra NYPD patrols in Central Park after series of violent crimes 3:01 Columbia begins suspending students after protesters defy deadline