Article: CNN
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Iran has launched drones toward Israel, amid fears of a regional escalation following an apparent Israeli attack on an Iranian embassy complex in Syria last week.
Several dozen drones were launched from within Iran, a senior US administration official told CNN. Iran state media also confirmed that the Islamic Revolutionary Guard Corps (IRGC) had "launched extensive drone strikes against targets in occupied territories," referring to Israel.
Source: https://www.youtube.com/watch?v=J3iXxwOAHbQ
These drones and cruise missiles are still in the air, as they take several hours to arrive. So the extent of the attack remains to be seen. But it's likely to be a major escalation in regional hostilities with potential global implications.
As it's a major event, there will be a wide variety of conspiracy theories. Probably a few UFO sightings too.