As tit-for-tat strikes strain a ceasefire between Israel and Hezbollah less than a week since it went into effect, Israel’s defense minister on Tuesday threatened to directly target the Lebanese state should the agreement fall apart.

Hezbollah fired into a disputed border zone held by Israel on Monday, the militant group’s first attack since its ceasefire with Israel took hold last week, after Lebanon accused Israel of violating the truce more than 50 times in recent days.