President Donald Trump’s special envoy arrived in Israel to address the worsening humanitarian crisis in Gaza.

Israel’s retaliatory offensive has killed more than 60,000 Palestinians, according to Gaza’s Health Ministry. Its count doesn’t distinguish between fighters and civilians. The ministry operates under the Hamas government. The U.N. and other international organizations see it as the most reliable source of data on casualties.

Israel’s nearly 22-month military offensive against Hamas has shattered security in the territory of some 2 million Palestinians and made it nearly impossible to safely deliver food to starving people.