Israel-Gaza updates: 22, including 18 children, reported dead in Rafah strikes
The IDF says it struck military targets of terrorist organizations in Gaza.
Israel launched a retaliatory strike against Iran early Friday morning local time, a senior U.S. official told ABC News.
The strike followed Iran's attack on Saturday, when Tehran sent a volley of more than 300 drones and missiles toward targets in Israel, according to Israeli military officials. All but a few were intercepted by Israel and its allies, including the United States, officials said.
Iran's weekend attack came more than six months after Hamas terrorists invaded Israel on Oct. 7, after which the Israeli military began its bombardment of Gaza.
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What to know about Iran's attack on Israel
Israeli officials said the country's Iron Dome defense system endured a big test from Iran's attack on Saturday, intercepting 99% of the 300 "threats of various types" thrown at it.
Iran's Islamic Revolutionary Guard Corps, according to Israel Defense Forces spokesperson Daniel Hagari, launched 170 unmanned aerial vehicles (UAVs), more than 120 ballistic missiles and more than 30 cruise missiles in the attack.
Hagari said "99% of the threats launched towards Israeli territory were intercepted -- a very significant strategic achievement."
Hagari said the attack resulted in only one known Israeli casualty, a 7-year-old girl who was severely injured when she was struck by shrapnel apparently from an intercepted missile.
Iran warns US to 'STAY AWAY', saying attack is 'legitimate defense'
Iran's Permanent Mission to the United Nations says its attack on Israel was conducted as a "legitimate defense" in response to Israel's attack on the Iranian embassy in Syria.
"Conducted on the strength of Article 51 of the UN Charter pertaining to legitimate defense, Iran’s military action was in response to the Zionist regime’s aggression against our diplomatic premises in Damascus. The matter can be deemed concluded. However, should the Israeli regime make another mistake, Iran’s response will be considerably more severe. It is a conflict between Iran and the rogue Israeli regime, from which the U.S. MUST STAY AWAY!" Iran's permanent mission to the U.N. said in a statement.
IDF tells residents in occupied Golan Heights region to stay close to safe rooms
The Israel Defense Forces said it has told Israeli residents in the occupied Golan Heights region to stay close to their safe rooms, according to the IDF.
"In accordance with the situational assessment, residents of the northern Golan Heights, the area of Nevatim, Dimona, and Eilat are required to stay near protective spaces until further notice," the IDF said in a statement.
"Upon the activation of sirens, it is required to enter into a protected space. If there is no protected space, it is required to find the most protected area possible. In any case, it is required to wait ten minutes, and no less," the statement said.
US forces shot down some of the Iranian drones headed toward Israel
U.S. forces have shot down some of the Iranian drones headed towards Israel, a U.S. official confirmed to ABC News.
The U.S. has lots of capabilities in the region beyond what is in the Mediterranean and the Red Sea.
-ABC News' Luis Martinez and Martha Raddatz
Israel says over 100 drones have been fired in Iran attack
Over 100 drones have been fired at Israel by Iran, in addition to more than 100 unmanned aerial vehicles launched from Iran, the Israel Defense Forces said in a press conference Saturday.
Dozens of Israeli Air Force jets are also airborne and a joint operational plan was devised with U.S. Central Command, according to the IDF.
-ABC News' Jordana Miller and Dana Savir
Israel says Iran only targeted military sites
An Israeli military source told ABC News that Iran has targeted military sites only -- civilian sites were not targeted.
The Israel Defense Forces also moved up its arrival estimate: The first drones will close in on Israel an hour earlier than expected, at 1 a.m. local time, 6 p.m. ET.