Officials said the tunnel is being dug from the Lebanese village of Ramyeh and has already crossed into Israeli territory. Gen. Yoel Strik, showed the head of the U.N.'s peacekeeping force in Lebanon a tunnel that entered Israel.
Hezbollah's tunnels were part of a larger plan to invade the Galilee region in northern Israel. Israel has said it won't allow its chief regional foe Iran to establish a presence in Syria.
Speaking at a press briefing on Wednesday, Russia's Foreign Ministry spokeswoman Maria Zakharova said Moscow hoped that no actions would be in conflict with the resolution, which ended the 2006 Israeli aggression against Lebanon and called on the Israeli regime to respect Lebanon's sovereignty and territorial integrity.
Israel's prime minister is asking the global community to impose additional sanctions on the Lebanese Hezbollah and condemn the militant group in response to the discovery of tunnels stretching from southern Lebanon into northern Israel.
"It is possible that we will be required to act inside Lebanon", the official, speaking on condition of anonymity, said according to a translation of his comments by the Times of Israel.
Meanwhile, Hezbollah has published photos and videos of the Israeli work being carried out on the border, as seen from the Lebanese side of the border, signaling to the Israeli forces that it has them within its sights.
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"Today we have launched Operation Northern Shield". "There were other reasons too, but that was one of them", he said.
The Lebanese army has also asked for more details about the Hezbollah tunnels in the border area.
The operation exposed Hezbollah's terror tunnel digging efforts, which mirror the tactics of the Hamas terror group in Gaza.
Netanyahu urged the worldwide community to impose additional sanctions on Hezbollah, stating, "I told the ambassadors that they need to unequivocally condemn this aggression against us by Iran, by Hezbollah and by Hamas, and of course, to also strengthen the sanctions against these elements".
He said discussions included Israeli "activities south of the Blue Line looking for suspected tunnels". We passed a clear message of what we're doing and so far I can't tell you that the risk of escalation doesn't exist but I don't think it's quite as...
The Trump administration disclosed that Iran is behind the construction of several underground tunnels leading into Israel that Hezbollah militants and other terror forces have been using to conduct attacks, according to multiple US officials who spoke to the Washington Free Beacon and communicated fears that Tehran is preparing to lead a "massive regional war".