Ankara [Turkey], April 1 (ANI): In a significant blow to President Recep Tayyip Erdogan of Turkey, the main opposition party secured substantial victories in Sunday’s local elections, maintaining control over crucial cities and making substantial gains elsewhere, according to preliminary results, The Washington Post reported. The results showcased the Republican People’s Party (CHP) retaining its grip on key urban areas, dealing a setback to Erdogan’s ambitions of reclaiming control over these pivotal territories. With nearly 60 per cent of the ballot boxes tallied, incumbent Mayor Ekrem Imamo…