The images from the territory, largely sealed off to journalists and others, have helped relief agencies and experts make estimates regarding the extent of the damage.

The deplorable humanitarian conditions in northern Gaza have caused bitter infighting within the Biden administration.

The complex ceasefire accord between Israel and militant group Hamas, which controls Gaza, emerged on Wednesday after months of mediation by Qatar, Egypt and the U.S. and 15 months of bloodshed that devastated the coastal territory and inflamed the Middle East.