"At that moment, Haifa was hit by 40 rockets. But the Iron Dome couldn’t handle it, and many missiles broke through," the expert says.

"Until now, Israelis haven’t faced missiles this heavy," Borzenko says.

"I believe Tehran still holds back even more powerful weapons than what it used in Haifa. Its newest ones haven’t yet been used. The real escalation is still to come," the pundit notes.

“Have the Iranians killed an American yet? No. Until they do we’re not even talking about going after the political leadership," an unnamed senior US administration official told Reuters.

“Moments ago, I can tell you we got their chief intelligence officer and his deputy in Tehran,” he told Fox News on Sunday, apparently referring to Brigadier General Mohammad Kazemi and his deputy, General Hassan Mohaqiq.