<span style="color: #222222;">Turkey's often divided opposition parties have come together to choose a single candidate to face President Recep Tayyip Erdogan in May's election. Kemal Kilicdaroglu leads the main secular opposition party, the centre-left Republican People's Party (CHP).<br />''<br />''Polls suggest a tight race in a country highly polarised after two decades of Mr Erdogan's authoritarian rule. Economic crisis and errors during last month's earthquake may make him more vulnerable than in previous elections.<br />''<br />''A huge crowd of supporters cheered Mr Kilicdaroglu, a former civil servant, as he was chosen by a six-party opposition alliance. Known as "Gandhi Kemal" or "Turkey's Gandhi" for his resemblance to Indian civil rights leader Mahatma Gandhi, the quiet-spoken 74-year-old offers a radically different vision in both substance and style to the fiery, charismatic Mr Erdogan's.<br />''<br />''He promised his supporters that he would govern Turkey through consensus and consultation. </span><br />