He placed second in the August 1992 presidential election , behind Pascal Lissouba ; subsequently he was mayor of Brazzaville , the capital , during the mid-1990s .
Mayor briefly served as Prime Minister of capital     during the 1997 civil war .
He placed second in the August 1992 presidential election , behind Pascal Lissouba ; subsequently he was mayor of Brazzaville , the capital , during the mid-1990s , and he briefly served as Prime Minister of Congo - Brazzaville during the 1997 civil war .