Secretary- General of the Ministry of Foreign Affairs HE Dr Ahmed bin Hassan al Hammadi held on Tuesday a farewell ceremony in honour of the Ambassador of Afghanistan to Qatar HE Faizullah Kakar and Ambassador of Liberia HE John Akel Ballout Jnr on the occasion of the end of their tenure in the country. Several heads of diplomatic missions and bureaus accredited to the country, along with a number of departmental heads of the Ministry of Foreign Affairs attended the ceremony. (QNA)