India, Feb. 28 -- The United States issued an advisory for its citizens in Pakistan, asking them to remain alert and keep a low profile, in view of recent military confrontation with Afghanistan that has spiked the tensions in region since Thursday. Track updates on Pak-Afghan 'war'

The US mission in Pakistan said that military activities on account of 'heightened tensions between Afghanistan and Pakistan' has increased and security forces have increased their presence in major cities in response to potential terrorist threats. "Law enforcement facilities, military installations, and major commercial centers remain likely targets for terrorist organizations. The U.S. Mission advises citizens to exercise caution when visiting these locati...