An official with the UN’s food agency says he he believes a “water and sanitation catastrophe” is taking place in southern Gaza as the war between Hamas and Israel continues across the strip. Deputy Executive Director of the World Food Programme Carl Skau said the agency’s main concern was in the south where hundreds of thousands of Palestinians have been displaced from the city of Rafah. “Here we have really a protection disaster and a water and sanitation catastrophe. And, you know, people are camping on the streets, on the beach, at best with some piece of shelter. But, you know, we were dr…