Wires are calling it an airstrike. Need more information, but the fact that Israel got thru their ews is a big deal.
The article from ph1l's link. Over time more information will come out about if the source of the strike which killed the terrorist leader was from outside or inside the borders of Iran. Media speculation is all over the place.
Haniyeh assassination shrouded in mystery as to how, and from where
Hamas and Iranian media report terror leader killed in ‘strike’ on Tehran residence, but speculations differ on whether projectile came from within Iran or from outside its borders
https://www.timesofisrael.com/haniyeh-assassination-shrouded-in-mystery-as-to-how-and-from-where/
) --- it's the perception in the Middle East now (right or wrong) that he was emboldened by the U.S. Congress and more than likely Trump also.