The USS Abraham Lincoln aircraft carrier strike group has crossed into Central Command, the Middle East region that includes Iran.

Several countries have begun withdrawing dependents of diplomatic personnel and non-essential staff from some locations in the Middle East, or advising citizens to avoid travel to Iran, amid rising tensions between Washington and Tehran.

Tensions continue to mount in the Middle East amidst reports of a potential attack on Iran by the US military as early as this weekend. Amidst Donald Trump's repeated threats to Iran, data from flight-trackers has intensified concerns over US military buildup in the Middle East.

An armada of American warships, stealth fighters and air defense systems is taking up positions in the Middle East.

Students have held anti-government protests at universities across Iran’s capital, according to witnesses and videos circulating online.

A second American aircraft carrier moved closer to the Middle East Thursday, as President Trump remains noncommittal about whether he'll use force against Iran.