The United Nations' humanitarian chief says Gaza has become "uninhabitable" three months after Hamas's attacks against Israel and "a public health disaster is unfolding".Martin Griffiths said in a statement on Friday that "people are facing the highest levels of food insecurity ever recorded (and) famine is around the corner".And Gazans are "witnessing daily threats to their very existence - while the world watches on", he said.

The United Nations' humanitarian chief says Gaza has become "uninhabitable" three months after Hamas's attacks against Israel and "a public health disaster is unfolding".Martin Griffiths said in a statement on Friday that "people are facing the highest levels of food insecurity ever recorded (and) famine is around the corner".And Gazans are "witnessing daily threats to their very existence - while the world watches on", he said.