Tehran had warned of retaliation after Israel on Sunday struck Beirut’s southern suburbs without warning, in defiance of Washington’s request days ago to stand down.

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…