Demonstation in Istanbul after election cancellation Around a hundred people march in the Besiktas district of Istanbul to denounce the cancellation of the election of opposition mayor Ekrem Imamoglu. President Recep Tayyip Erdogan, a former Istanbul mayor with Islamist roots who has led Turkey since 2003, saw his bloc suffer its first defeat in 25 years in the country's largest city during the March 31 vote. IMAGES of the demonstration in Istanbul