Israel stunned Iran last week with an intelligence and military operation years in the making that struck high-level targets with precision.

The Israeli military said Monday that it can now fly over the country's capital, Tehran, without facing major resistance after crippling Iran’s air defenses in recent strikes, enabling Israel to hit an expanding range of targets with relative ease.

Israel and Iran have begun a new round of attacks, as the conflict between the two heavily armed rivals enters its fourth day.

IRAN CAN NOT HAVE A NUCLEAR WEAPON,” President Trump wrote Monday night before returning to Washington early from a Group of Seven summit in Canada.

Israel faced retaliation from Iran after launching missiles against Tehran's leadership and energy infrastructure as part of "Operation Rising Lion" this weekend. Iran's military responded with a wave of missile strikes against Israel,

Blasts have been heard in Tehran and sirens have sounded in Israel as US president convenes National Security Council.

There is no sign the conflict is ending soon and many in the region fear a wider war as they watch waves of attacks.

We are doing what we need to do,” the Israeli leader told ABC News when asked if he plans on going after Ayatollah Ali Khamenei.