It appears the Iranian strike package—drones, cruise missiles, and ballistic missiles—is starting to arrive in Israel. These updates are from Megatron’s X twitter feed. He seems to monitor reliable Middle East sources, including Israeli media:
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BREAKING:  Iranian State Media claims that the Iran has now launched Medium-Range Ballistic missiles against Israel. [But Israeli sources state that they have no confirmation so far—28 minutes ago]
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BREAKING:  Hezbollah is now attacking northern Israel from Lebanon
Importantly, there is no information regarding the type of rockets/missiles used in the Hezbollah attack. However, this separate tweet provides claimed details:
Tony @Cyberspec1
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Hezbollah claims to have struck an IDF air defense headquarters in the Golan Heights.
It is also reported that one of the Iron Dome air defense systems was destroyed.
Back to Megatron:
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BREAKING: The first batches of drones are arriving in Israel.
Jordan failed to intercept them [That’s Megatron’s editorial comment. US sources claim to have shot down some of the drones.]
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NEW: The U.S. has asked Iran through Qatar to immediately stop its attack on Israel; Iran ignored the request, and threatened to strike American bases if the U.S. intervened
@Middle_East_Spectator
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BREAKING:
 Iran's embassy in the UN in a statement:
"As far as we are concerned, the event is over." If Israel makes another mistake (and responds) our response will be much harsher. This is a conflict between Iran and the unruly Israeli regime and the US should not interfere in it"
So from the last bit, it appears that Iran has launched its total planned strike package. We’ll have to wait to see results.
301 Military @301military
Israeli media: Representatives of the Biden administration asked Israel to discuss with them any step before reacting to Iran’s attack.
5:16 PM · Apr 13, 2024
Via Geroman:
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Iran’s military is monitoring Jordan’s response to the attack on Israel; if it takes action, it will be the next target, reports RIA Novosti, citing Iranian media.
We await more news.
Nevatim Airbase is home to F-16a and F-35s.
Will Schryver @imetatronink
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 Another thing I am inclined to conclude at this early stage is, notwithstanding all the "sound and fury" of this Iranian missile strike, there was very likely only one serious target: the Nevatim airbase. And they appeared to be "digging deep" — probably against a bunker.
Will Schryver @imetatronink
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1h
 It remains to be seen how damaging Iran's ballistic strikes have been against the Israeli airbases. But my tentative sense of things — so far — is that this was a "demonstration en force".
Will the Israelis escalate? Hard to say.
But I remain dubious the US will jump in.