[Tunis Afrique Presse] Tunis, April 13 -- Tunisia's Permanent Representative to the United Nations, Ambassador Tarek El Adab, reaffirmed on Saturday in New York Tunisia's firm commitment to defend the interests of the African continent within the United Nations and to contribute to the resolution of the various challenges related to peace, security and development on the continent, according to a statement issued by the Permanent Mission of Tunisia to the UN.