(CNN) -- The son of Gabon's former president was declared the winner of the country's presidential elections on Thursday, sparking violent protests in some parts of the West African nation. Two men walk by tyres set on fire by opposition supporters in Libreville, Gabon. Voters went to the polls Sunday to elect a successor to President Omar Bongo, who died in June after more than four decades in office. Bongo, 73, was Africa's longest-serving ruler. In a live announcement Thursday on Gabonese television, Interior Minister Jean Francois Ndongou said Ali Bongo received 41.73 percent of the votes in Sunday's election, with former interior minister Andre Mba Obame getting 25.88 percent and main opposition leader Pierre Mamboundou winning 25.22 percent.Ali Bongo, son of Gabon's former president declared the winner of electionOpposition supporters protest outside the French consulate in city of Port-GentilVoters went to the polls on Sunday to elect successor to President Omar Bongo
Security forces patrolled the streets in the _ capital of Libreville, where violence broke out in some quarters when the results were released, according to French media reports. Security forces patrolled the streets in the Gabonese capital of _, where violence broke out in some quarters when the results were released, according to French media reports.