ISN | Mohsen Esmaeilzadeh: Pakistani Prime Minister Imran Khan started a visit to Iran on Sunday to hold talks with senior officials of the country about a host of issues, including ways to deepen bilateral relations between the two neighbors in diverse fields. Heading a high-ranking economic and political delegation, Imran Khan arrived in the holy city of Mashhad to make a pilgrimage to the shrine of Imam Reza (AS), the 8th Imam of Shias.