At the invitation of His Excellency Idriss DEBY ITNO, President of the Republic of Chad and current Chairman of the Conference of Heads of State of the Central African Economic and Monetary Community (CEMAC), the President of the Republic of Cameroon, His Excellency Paul BIYA, and his wife, Mrs Chantal BIYA, left Yaounde this afternoon for N'Djamena, Chad, to take part in the Extraordinary Summit of Heads of State and Government of the Central African Economic and Monetary Community (CEMAC), scheduled for Tuesday, 31 October 2017.