Maj. Gen. Abdolrahim Mousavi, Chief of Staff for the Armed Forces of the Islamic Republic of Iran, stated in a press statement earlier today, “We will respond to the American mistake firmly and in proportion to the aggressor's actions.”

“In order to ensure the safety of citizens, residents, and visitors,” Qatar has ordered an immediate closure of its airspace to all commercial flights, with all flights bound for Doha being redirected to Bahrain.

Fox News is reporting an “imminent threat” of an Iranian attack now against U.S. Al Udeid Air Base in Qatar.

The Trump Administration is preparing for an Iranian attack against American bases near the Persian Gulf in retaliation for its strike on Iran's nuclear facilities this weekend, U.S. officials tell Axios. The scope of the Iranian retaliation — particularly the number of casualties — will determine how President Trump responds, and whether the U.S. plunges deeper into Israel's war with Iran.

U.S. President Trump is scheduled to meet with his National Security Team in the White House Situation Room at 1:00PM, in around 40 minutes.

BBC News is now reporting a “credible threat” to the U.S-run Coalition Air Operations Centre (CAOC) at Al-Udaid Air Base in Qatar, with the threat believed to come from a potential missile attack by Iran.

China has instructed its citizens to immediately avoid all travel and depart anywhere near U.S. Al Udeid Air Base in Qatar.

Iran is moving missile launchers into place for a potential attack on U.S. Forces in the Middle East in response to the surprise American strike on three nuclear sites over the weekend, according to U.S. officials. The Pentagon is tracking a “credible” threat to U.S. military bases in the region, one of the officials told the Wall Street Journal.

Reports of sirens and air-defenses active over U.S. Al Udeid Air Base in Qatar.

Iran has just launched several ballistic missiles at U.S. Al Udeid Air Base in Qatar.

Explosions heard over Doha in Qatar.

Axios reports that Israel detected the launch of at least six ballistic missiles by Iran against Qatar.

Reports of missile launches now against U.S. bases in Iraq.

Interceptions seen over the Qatari capital of Doha, following the launch of several ballistic missiles by Iran against U.S. Al Udeid Air Base.

Multiple interceptors seen leaving Qatar during the Iranian ballistic missile attack against U.S. Al Udeid Air Base.

Footage showing surface-to-air missiles launched from Al Udeid Air Base intercepting Iranian ballistic missiles earlier over Doha, Qatar.

The airspace over the United Arab Emirates (UAE) has now been closed.

Sirens are also now being reported in Bahrain and Kuwait.

A battle between interceptors and incoming ballistic missiles observed in the sky over Qatar.

U.S. President Trump is currently meeting with senior defense and intelligence officials in the White House Situation Room.

Iranian state-run media announces the beginning of Operation “Basharat al-Fath” against U.S. bases in the Middle East.