Search & fact check with cited sources for What key developments occurred in the escalating U.S. Iran conflict on Sunday, including the interception of an Iranian missile near the Israeli border, the threats issued by Israeli officials, the ongoing U.S. military strikes against I

2. Israeli officials issue threats. The IDF said Iran had made "a serious mistake" and that military planners were approving plans for continued action Sunday night . Israel warned that the missiles coming close to its border could trigger a broader Israeli response, and Israeli leaders signaled preparedness for "additional fire" from Iran .

3. U.S. military strikes enter ninth day after U.S. troop deaths. The U.S. conducted a ninth straight night of strikes against Iran . A U.S. service member was killed in action in Iraq on Saturday (during a controlled detonation of unexploded ordnance from a downed Iranian drone), bringing the total death toll among U.S. service members in the war with Iran to 17, with more than 400 wounded . Two other U.S. service members had been killed earlier in Jordan, with another missing, triggering the latest wave of U.S. retaliatory strikes . A third U.S. service member death was confirmed by Sunday . President Trump said Iran suffered "significant damage" .

4. U.S. deploys additional aerial refueling tankers to Israel. Israel is preparing to receive more U.S. refueling aircraft, a senior Israeli military official confirmed Sunday . The Trump administration notified Israel it is sending dozens of additional aerial refueling aircraft ahead of a potential expansion of military operations against Iran, including possible strikes on Iranian infrastructure facilities like power plants . Reports indicated up to 42 U.S. refueling aircraft could be positioned at Ben Gurion Airport to extend the reach of American strike packages .

5. Broader Iranian attacks across the Gulf region. Iran fired missiles toward Jordan, risking the widening of the conflict into neighboring Israel . Iran's Revolutionary Guards launched attacks on U.S. military assets across the region . Iran stated it targeted a U.S. navy base in Kuwait, including Camp Udairi and Ali Al Salem Air Base, with kamikaze drones in response to U.S. attacks on civilian infrastructure . Iran had previously targeted a power and desalination facility in Kuwait on July 18 . Earlier in the conflict, Iranian missiles and drones struck the United Arab Emirates, Qatar, Kuwait, Oman, and Bahrain — with the UAE and Saudi air forces intercepting some of them .