HE Deputy Prime Minister and Minister of Foreign Affairs Sheikh Mohammed bin Abdulrahman Al-Thani affirmed a unified Arab position regarding the Renaissance Dam crisis, noting that the Arab position supports the African mediation by urging all parties to respond to this mediation and to be serious in dealing with this file, while stressing the need not to take any unilateral escalatory measure that may cause harm to the countries downstream of the Nile, in particular Egypt and Sudan.