Turkey’s main opposition has rallied in defence of the jailed Istanbul mayor, Ekrem İmamoğlu, in a move to sustain the largest anti-government demonstrations in years. Hundreds of thousands of people attended the protest called by the head of the opposition Republican People’s party (CHP) in a spot far from the Istanbul city centre. The party leader, Özgur Özel, claimed 2.2 million people attended. Earlier this week, Özel had called an end to nightly rallies outside Istanbul city hall, where hundreds of thousands attended while small groups of demonstrators frequently clashed with police. Security forces used teargas, water cannon and pepper