The operation unleashed another tragedy in a war that has killed 28,340 Palestinians in the territory, displaced over 80% of the population and set off a massive humanitarian crisis.

Egypt has heavily fortified its border with Gaza, carving out a 3-mile buffer zone and erecting concrete walls above and below ground.

The director of the main U.N. aid agency for Palestinians says Israeli restrictions are preventing food for 1.1 million people from reaching war-battered Gaza.

The detentions come amid increasingly tense relations between the Biden administration and the government of Israeli Prime Minister Benjamin Netanyahu.