The Wall Street Journal:

The drone-and-missile attack launched by Iran on Saturday is the first time Iran has directly attacked Israel from Iranian territory. Israel has conducted hundreds of airstrikes against Iranian targets and its militia allies throughout the Middle East, a campaign that Israel rarely acknowledges but has long been an open secret.

The airstrike in Syria that prompted the Iranian attack on Israel, however, hit what Iran said was a diplomatic building and akin to striking Iranian territory. That attack is seen as potentially rewriting the rules of engagement in Iran and Israel’s long-running shadow war.

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