Israel is racking up military wins against its regional foes. But fighting multiple wars will take its toll, and experts wonder what the long-term strategy is.

Five people were injured after Hezbollah launched a barrage of missiles into the city of Haifa in northern Israel on Sunday. Hezbollah said it launched “a salvo of Fadi 1 rockets” targeting the Carmel military base near Haifa.

Israel is drastically widening its fight against the Lebanese militant group that is backed by Iran, whose supreme leader said that “any strike on the Zionist regime is a service to humanity.”