Pakistan's Interior Minister Mohsin Naqvi on Saturday reached Iran unannounced the first visit to the country by any senior Pakistani official after Washington and Tehran signed an agreement aimed at restoring peace in West Asia. Naqvi reached Mashhad in Iran on Saturday, reported Geo News, without disclosing further details. Later, Iranian media reported that Naqvi was on his way to the capital city, Tehran, to hold talks with senior Iranian officials.