Military reinforcements for Afghan forces head toward the Pakistan border.

Pakistani forces continue attacking Afghan military barracks at the border.

Pakistani forces release footage showing attacks on Afghan force positions at the border.

CENTCOM Commander Brad Cooper briefed President Trump on Thursday [today] on potential military options in Iran, a source tells ABC News

Dan Caine, chairman of the Joint Chiefs of Staff, was also present

An unprecedented buildup of U.S. aerial refueling aircraft at Ben Gurion Airport in Tel Aviv.

Nine C-17 military cargo aircraft have departed from the United States en route to the Middle East.

An Iranian drone is flying near the U.S. aircraft carrier USS Abraham Lincoln

Chinese satellite imagery shows the deployment of 6 F-16 aircraft, 3 KC-135 tankers, 3 C-17 transport aircraft, and 2 P-8A aircraft at Diego Garcia base.

The United States is urging its citizens in Israel to consider leaving while commercial flights are still available.

The U.S. Ambassador to Israel: Any staff member who wishes to depart should do so today, to any country available

China warns its citizens against traveling to Iran and urges those currently there to leave as soon as possible

The Deputy Mayor of Be’er Sheva has announced that public shelters are being opened for residents.

Tel Aviv also opens shelters

The Chinese Embassy in Israel is urging its citizens to exercise caution.

Security source: Americans have departed Iraq in large numbers over the past few hours.

Security source: The U.S. Embassy in Baghdad conducted a simulation of an emergency evacuation operation.