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 that Western governments rejected as a sham.

The smiling face of President Alexander Lukashenko gazed out from campaign posters across Belarus on Sunday as the country held an orchestrated election virtually guaranteed to give the 70-year-old autocrat yet another term on top of his three decades in power.