A warning that some of the images in this report may be disturbing.br br A growing number of aid agencies, United Nations bodies, charities and activists are urging Israel to allow food and humanitarian assistance into Gaza.br Israel's man-made famine is tightening its grip. For some families, it's too late. Mothers are watching their children die - unable to do anything to stop it. br May Abu Arar is just one of an increasing number of young Palestinians suffering from malnutrition.br She is seven years old and has been losing weight for four months.br br Al Jazeera’s Ibrahim Al-Khalili reports from Gaza City, Palestine. br br Liz Allcock is the head of protection at Medical Aid for Palestinians.