Israel is likely to respond significantly, but if the small number of missiles fired by the Islamic Republic is its only move, and there are no casualties, this could impact the Israeli response.

The attack would be the first since a fragile ceasefire took effect in early April, complicating mediation efforts for a deal to end the war.

Air raid sirens sounded in Israel on Sunday as its military worked to intercept barrages of incoming Iranian missiles for the first time since an April ceasefire took hold in the…