HE the Secretary-General of Ministry of Foreign Affairs Dr Ahmed bin Hassan al-Hammadi held a farewell ceremony yesterday in the honour of Argentine ambassador Rossana Cecilia Surballe and Pakistani ambassador Shahzad Ahmad on the occasion of the end of their terms in the country. The ceremony, held at the Diplomatic Club, was attended by heads of diplomatic missions, and officers accredited of the State of Qatar, and directors of departments of the Ministry of Foreign Affairs.