In an attempt to increase pressure on President Erdogan's government, Turkey's opposition has urged its supporters to boycott dozens of companies with alleged ties to the ruling party. Anti-government protesters also joined calls for a nationwide 'no spending' day. The boycott campaigns follow the arrest of popular Istanbul Mayor Ekrem Imamoglu over corruption charges last month, which sparked nationwide protests. Imamoglu has long been considered the strongest candidate to challenge Erdogan in