By Mark Trevelyan (Reuters) -Belarusian leader and Russian ally Alexander Lukashenko extended his 31-year rule on Monday after electoral officials declared him the winner of a presidential election Western governments rejected as a sham.

Europe’s longest-serving leader won re-election in a contest widely believe to have been rigged. The result cements the power of a leader whose country is considered Russia’s staunchest ally.

Belarus' opposition activists and Western officials on Monday denounced an orchestrated election that extends the more than three-decade rule of authoritarian President Alexander Lukashenko. The country's exiled opposition leader called the result “sheer nonsense.