IRNA � Prime Minister of Kingdom of Swaziland Barnabas Sibusiso Dlamini arrived in Tehran on Thursday at the head of a delegation to participate in swearing-in ceremony of President-elect Hassan Rouhani.

Endorsement ceremony was held here on Thursday morning and Hassan Rouhani became head of the 12th government of Islamic Republic of Iran.

Swearing-in ceremony will be held on Saturday afternoon on the parliament venue.

Eight presidents, 19 parliament speakers, 9 vice-presidents and prime ministers, seven parliament vice-speakers, 11 foreign ministers and 35 special envoys are participating in swearing-in ceremony.

Also, 12 deputy foreign ministers, six heads of parliamentary friendship groups and two heads of foreign policy commissions of parliaments are among participants.