Smith and Gilbert bring the total number of Biden administration officials to have publicly resigned over US policy on Gaza to nine, though Josh Paul, the first official to resign, said that at least two dozen more had left quietly, without a public declaration.
In a statement explaining her resignation, Gilbert wrote:
"There is abundant evidence showing Israel is responsible for blocking aid. To deny this is absurd and shameful. Some members of the US government made a conscious choice to deny the facts on the ground in Gaza in order to continue military support for Israel's disastrous conduct in this war."