country. now, having to walk that very delicate line protecting their students and other members of the community, the right to assemble and to express themselves. but the same times have we heard from columbia university saying that there are also making sure that they do not disrupt university operations and also do not intimidate their fellow students as well. so that really is something to be on the lookout for. days ahead. again, we are several months into these kinds of demonstrations happening. but the situation escalated last week, and it is a hope here among columbia university officials that doesn't happen again all right. >> polo sandoval. thank you so much coming up if you're in the market for a new home. now might not be the time to buy one mortgage rates, just surge to the highest level since last year, where they stand straight ahead nick paton walsh reports on the growing turf war between humans and elephants and sri feels bizarre to see this