ISLAMABAD: (DNA) – Prime Minister Imran Khan on Monday arrived at Tehran’s Saadabad Palace and was received by Iranian President Hassan Rouhani.The premier, on his maiden trip to Islamabad’s south-western neighbour, was presented a guard of honour by a smartly turned out contingent of the Iranian military.PM Imran arrived in Tehran late Sunday after a brief stop-over in Mashhad on the invitation of the Iranian president. The premier and his delegation were received by Iran’s health minister and minister-in-waiting Dr Saeed Namaki.