Iran has officially informed the United Nations of its intent to carry out a retaliatory action of self-defense against Israel in accordance with Article 51 of the UN charter.
U.N. Secretary-General Antonio Guterres confirmed in a phone call to the Iranian Foreign Minister that Iran has the 'inherent right to self-defense' against violations of its national security and territorial integrity.
UPDATE 6:14 PM EDT --
Intel assesses: Iran and its proxies will launch very large missile assault; US expects the attack within days, with a scope to be larger than April 13 retaliation, after Israel Bombed the Iran Embassy in Damascus, Syria.
One American official predicts several difficult days ahead, and says the US is taking steps to help IDF intercept incoming threats.