Tonight, America attacks Iran, President Trump announcing its supreme leader, Ayatollah

Hamani, has been killed as Iran retaliates across the region.

The U.S. launching strikes with Israel earlier today targeting Iran's top leaders.

New images of the Ayatollah's compound decimated. The country's

supreme leader now believed to be dead. Other attacks inflicted very great losses on their leadership.

Iran firing back against its neighbors, hitting this high rise in Bahrain.

Oh my God.

A drone blasting down in Dubai.

An intercepted missile crashing near crowds.

This explosion near a U.S. Navy base.

And Tel Aviv coming under attack.

Hotels for Western tourists and airports hit across the region.

We're getting our first look at the damage inside of Iran.

This is the moment for action.

President Trump addressing the nation in the early morning hours, laying out the mission's objectives.

They will never have a nuclear weapon.

Iran's foreign minister speaking out to NBC News.

There is no limit for us to defend ourselves.

But what happens now that the Ayatollah is dead?

What President Trump just told our Kristen Welker about the timeline for the mission. And the growing questions, what is the endgame? How

involved will the U.S. be? Our correspondents spread out across the region tonight as America's

attacks on Iran may only be getting started.

...