Islamabad. The US Embassy in Pakistan has canceled all its visa appointments following violence that erupted after rumors spread about the assassination of Iranian Supreme Leader Ayatollah Ali Khamenei. Citing a severe security situation, the embassy decided to suspend all services until the upcoming date (March 6).Visa interviews at the embassy in the capital, Islamabad, as well as at the consulate offices in Lahore and Karachi, have been completely halted. The situation became tense after protesters attacked the US Consulate in Karachi last Sunday.US Military Confirms Firing ShotsAt least 10 protesters died in the clash in Karachi. According to the...