Conditions in overcrowded coastal encampments for displaced Palestinians in Gaza are so desperate that some people who fled Israel's new offensive on famine-struck Gaza City in recent days are heading back towards the falling bombs, they told Reuters. Those fleeing are mainly seeking shelter either in the area by the sea immediately west of Gaza City or in Mawasi, a sprawling tent camp along beaches and farmland in the south that Israel has designated a humanitarian zone, aid agencies said. Many of them are arriving to find no space for shelter, few tents, inadequate water supply and restricted health care, according to over a dozen Palestinians who had made the difficult trip with their families and who, along with UNICEF...