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. Last Updated: 07/27/2016

Tensions High After Kabila Re-Elected

KINSHASA, Democratic Republic of Congo -- UN troops and local police confronted stone-throwing teenagers in Congo's capital Thursday as they deployed in force to prevent violence after Congolese President Joseph Kabila was declared the winner of historic elections.

Kabila's rival, Vice President Jean-Pierre Bemba, disputes Kabila's win, announced late Wednesday by electoral officials, in Democratic Republic of Congo's Oct. 29 presidential run-off.

United Nations soldiers from the world's biggest peacekeeping force swung into action in Kinshasa to avoid a repeat of past deadly gunbattles between Bemba's and Kabila's supporters.

But apart from small pockets of protest, most of Congo's sprawling riverside capital appeared quiet, albeit tense, on Thursday under the visibly heavy international security operation by UN and European Union peacekeepers.

In a result still to be confirmed by the Supreme Court, the incumbent president, 35, was declared the winner of Congo's first free polls in more than 40 years. They were aimed at leaving behind years of chaos and violence in the vast, mineral-rich former Belgian colony.

Supporters of Bemba, a former rebel chief, are contesting the result. They have denounced "systematic cheating."

Groups of angry pro-Bemba teenagers turned out Thursday to stone passing cars outside Bemba's official residence while others barricaded a road outside a pro-Bemba television station.

Congolese police arrested some youths and fired at least one tear gas canister. UN forces positioned several armored vehicles between the police and the protesters.

Other UN vehicles and truckloads of blue-helmeted UN peacekeepers patrolled the streets and guarded strategic points, as European Union military helicopters clattered overhead.