Many international airlines have already suspended flights to Tel Aviv and Beirut in anticipation for a wider conflict. In a fresh weekend speech, Prime Minister Benjamin Netanyahu has presented a scenario of Israel already finding itself in a multi-front war. "We are striking every one of its arms with great force. We are prepared for any scenario — both offensively and defensively," he told his weekly cabinet meeting. He said in the Sunday remarks that Israel is "in a multi-front war against Iran's evil axis."

"I reiterate and tell our enemies: We will respond and we will exact a heavy price for any act of aggression against us, from whatever quarter," he added.