Welcome to the NewsHour.

It was a dramatic day in the Middle East.

Iran launched a series of ballistic missiles at a U.S. military base in the Middle East,

but it simultaneously indicated a desire to de-escalate.

And this evening, President Trump announced a ceasefire between Israel and Iran, which began

this recent conflict when it attacked Iran and its nuclear program 12 days ago.

Nick Schifrin starts our coverage.

Above Doha's skyline tonight, the first ever Iranian attack on the largest U.S. military base in the Middle East.

The U.S. says Iran fired more than a dozen short and medium-range ballistic

missiles at Al-Udid Air Base, nearly all intercepted and causing no casualties. Al-Udid

is usually home to more than 10,000 service members, but much of it was evacuated before

tonight's attack, which Iran's Revolutionary Guard Corps broadcast, claiming complete

success.

The Islamic Republic of Iran will not leave any act of aggression against its territorial

integrity, sovereignty, or national security unanswered under any circumstances.

But Iran warned Washington and Qatar before the attack.

It did not try to choke off global oil supplies.

Nor did it try to strike any other U.S. base in the region.

And it signaled a desire for de-escalation, saying in a separate statement, it used the

quote, same number of missiles as the number of bombs

the United States used in attacking Iran's nuclear facilities, even if that claim was inflated.

At the White House, after meeting with his national security team, President Trump called

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