India, Jan. 14 -- The tension between Iran and the USA has heightened as the USA has started withdrawing its officials from prominent military sites in Iran and the whole of the Middle East, despite Iran warning countries that house USA soldiers of potential attacks. The rise in tension between the two countries comes after a wave of protests broke out across Iran, with thousands of Iranians having been killed and tens of thousands arrested amid what has been the worst unrest in Iran since the 1979 revolution.

A U.S. official said personnel at several facilities, including the strategically important Al Udeid Air Base in Qatar, had been requested to vacate temporarily as a precaution in light of the growing tensions. Although exact figur...