No food, no water, no fuel and nowhere to go. As Israel's bombing of Gaza intensifies, Palestinians are facing an unprecedented humanitarian catastrophe. What will it take for life-saving aid to reach the besieged enclave? And can a disaster be prevented?   Join Host Folly Bah Thibault Guests: Najla Shawa - Oxfam spokesperson.  Dr Nick Maynard - Consultant surgeon who visits Gaza regularly to train medical students and doctors. Sara Kira - Founder and director, European North African Center for Research.