anti- israel protests. they've been raging on at the feet new york city police made more than one heard arrest in the past few days to try to get them off of campus. cb cotton live at colombia university with the very latest on this sunday. cb, are protesters still there? >> hi eric, they certainly are. i can say there's a crowd of about 40 pro- palace and demonstrators who have arrived here to columbia university to encourage the student protests which are still happening on campus. take a look behind me. i want to set the scene for you guys. but we noticed over the past several days a crowd will gather here right outside this iron gate on campus the students on campus will be able to see the outside protesters and that two crowds will fuel each other. again, the student protesters heading into day five of their protest on campus. demanding the university cut ties with israel.