CNN  —  One in five people in the Gaza Strip are facing starvation as the entire territory edges closer to famine, a new United Nations-backed report warns, after nearly three months of Israel’s blockade of critically needed humanitarian aid. The warning comes as the UN and several NGOs, as well as civilians in Gaza, say the situation has deteriorated since Israel launched its renewed assault on the enclave in March, as residents struggle to access food , medicine and clean water. The WFP has