71 killed in Israeli attack on Iran prison, official says

The Israel Defense Forces are saying they've conducted their "most extensive wave of strikes to date in Tehran," with 50 Israeli air force jets involved.

The IDF said more than 100 munitions were dropped in the attack late Monday local time.

A spokesperson for the IDF said that Israel has "many more attacks planned" and confirmed that they targeted the Evin Prison in Tehran -- a "symbol of oppression for the Iranian people" -- in an earlier attack.

Kuwait announced it will temporarily close its airspace "as a precautionary measure, effective from today until further notice," the country's civil aviation said on Monday.

"The relevant authorities confirm that this decision is made within the framework of maintaining the highest levels of safety and security amid regional developments, with continuous coordination with competent authorities locally and internationally to monitor developments and take necessary measures." the country's civil aviation said.

-ABC News' Will Gretsky

Iran’s Supreme Council of National Security said the attack on Monday at a U.S. base in Qatar was “devoid of any threatening respects to our friendly and brotherly country of Qatar and its honorable nation.”

“The Islamic Republic of Iran remains committed to preserving warm and historical ties with Qatar,” the national security council said.

-ABC News' Will Gretsky

Iran’s attack on the Al Udeid Air Base "has ended" and there are "no reports of casualties at this time," according to a U.S. official.

Iran attacked the Al Udeid Air Base with short-range and medium-range missiles, the official said.

-ABC News’ Luis Martinez