The United Nations says more than half a million people are starving in Gaza because not enough food has entered the besieged territory as Israel keeps up its blistering campaign of airstrikes and ground operations. Palestinian officials said Friday that the death toll has now exceeded 20,000 — around 1% of the territory’s prewar population. The Health Ministry in Gaza does not differentiate between civilian and combatant deaths. Israel says more than 130 of its soldiers have died in its ground offensive after Hamas raided southern Israel on Oct. 7, killing about 1,200 people — mostly civilians — and taking...