Israel
And could UK students follow suit?
Benjamin Netanyahu said it is "out of the question" to stop the war before achieving all of Israel's goals.
Seven members of the charity's team were killed in Gaza earlier this month by Israeli airstrikes in what the country's military labeled a "grave mistake."
Palestinian medics have uncovered hundreds of bodies from mass graves in at least two major hospitals that were under siege by the Israeli military.
An attack on Rafah, the last refuge in Gaza, appears imminent — and ongoing Israel-Iran tensions are complicating hopes President Joe Biden will stop it.
It comes days after Tehran sent hundreds of drones and missiles to attack Israel.
Western leaders urge Tel Aviv to show restraint following Iranian drone and missile attacks.
The foreign secretary said retaliation for Saturday night's missiles attacks could trigger a full-scale war.
Prime minister says UK will "stand by the security of Israel" and calls for "calm heads to prevail".
British planes will "intercept airborne attacks within range".