Iran fired missiles at Israel for the first time since April's ceasefire, following Israeli strikes on Beirut, while Iraq and Syria responded by closing their airspace.

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…