Dermer has been a key player in efforts to secure a deal and in communications between Israel and Washington.
The IDF reiterated that it seeks to operate against Hezbollah's infrastructure and capabilities to push the group away from southern Lebanon.
Afghan NGOs have also struggled to attend the climate negotiations in recent years.
With some critics decrying a starvation tactic in north Gaza, Israel's main ally the US has set a deadline within days for it to improve the humanitarian situation.
"I am proof that they can still be saved!" former hostage Schem said.
The move was carried out following the law passed by the Knesset last week, which stipulated that Israel would sever all ties with UNRWA.
The idea of retaliation is inconsistent with the inherent right to use-of-force, in response to an armed attack.
They urged all parties fighting in Gaza to protect civilians and called on Israel to "ceases its assault on Gaza and on the humanitarians trying to help."
"Terrorists planted explosives in the proximity of the UNRWA offices that were then detonated in an attempt to harm IDF soldiers," the IDF reported.
Netanyahu spoke on a day that seven civilians were killed in the north by Hezbollah fire and a month into Israel’s revved-up military campaign.