Tense Mood Surrounds Islamabad

Islamabad: On April 10, law enforcement and military personnel are stationed in Islamabad, Pakistan. (Xinhua via NationPress)

Islamabad: A prominent outdoor advertisement concerning US-Iran negotiations captured in Islamabad, Pakistan on April 10. (Xinhua via NationPress)

Islamabad: This image, taken on April 10, depicts the Nur-Han Air Force Base located in Pakistan. (Xinhua via NationPress)

Islamabad: On April 10, vehicles from military and police are positioned near the Nur-Han Air Force Base in Pakistan. (Xinhua via NationPress)