Israel's Knesset Amendments Target UNRWA Aid in Gaza
Israel suspended dozens of international NGOs in Gaza.
UN says amendments violate international law and must be repealed, citing UN Charter and Convention on Privileges and Immunities.
UNRWA provides education, health, aid to millions in Gaza, West Bank, Jordan, Lebanon, Syria.
UNRWA's Gaza operations support Security Council Resolution 2803.
UN spokesperson states UNRWA's property is inviolable.
Joint statement warns one-third of Gaza's healthcare facilities may close if NGOs stop.
UNRWA commissioner condemns move as part of campaign to discredit UNRWA.
Relations with Israel have worsened since Gaza war.