Israel did not sign the Nuclear Non Proliferation Treaty. Therefore, the IAEA has no jurisdiction over their nuclear facilities. When it comes to nations in the ME, nuclear arms, and who should possess them, you only need to ask two questions: Has Israel ever called for the destruction of any regional nations? Have regional ME nations called for Israel's destruction?
UN chief condemns Palestinian toddler killing, urges calm (Reuters)
from the article: UN probe unveils new suspected Syrian nuclear facility