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A huge banner that reads 'Justice' in Turkish is seen during the 'Justice March' to protest against the Turkish government held by the main opposition Republican People's Party (CHP) in Ankara, Turkey on June 15, 2017. Kemal Kilicdaroglu, head of the CHP, starts the march from Ankara to Istanbul after his party's MP Enis Berberoglu was sentenced to 25 years in prison for leaking classified material to the press during the National Intelligence Organization's (MIT) truck case on June 14, as it was the first time a deputy of the CHP has been locked up in an ongoing crackdown. (Photo by Altan Gocher/NurPhoto via Getty Images)

A huge banner that reads 'Justice' in Turkish is seen during the 'Justice March' to protest against the Turkish government held by the main opposition Republican People's Party (CHP) in Ankara, Turkey on June 15, 2017. Kemal Kilicdaroglu, head of the CHP, starts the march from Ankara to Istanbul after his party's MP Enis Berberoglu was sentenced to 25 years in prison for leaking classified material to the press during the National Intelligence Organization's (MIT) truck case on June 14, as it was the first time a deputy of the CHP has been locked up in an ongoing crackdown. (Photo by Altan Gocher/NurPhoto via Getty Images)

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Thousands of people are seen during the 'Justice March' to protest against the Turkish government held by the main opposition Republican People's Party (CHP) in Ankara, Turkey on June 15, 2017. Kemal Kilicdaroglu, head of the CHP, starts the march from Ankara to Istanbul after his party's MP Enis Berberoglu was sentenced to 25 years in prison for leaking classified material to the press during the National Intelligence Organization's (MIT) truck case on June 14, as it was the first time a deputy of the CHP has been locked up in an ongoing crackdown. (Photo by Altan Gocher/NurPhoto via Getty Images)

Thousands of people are seen during the 'Justice March' to protest against the Turkish government held by the main opposition Republican People's Party (CHP) in Ankara, Turkey on June 15, 2017. Kemal Kilicdaroglu, head of the CHP, starts the march from Ankara to Istanbul after his party's MP Enis Berberoglu was sentenced to 25 years in prison for leaking classified material to the press during the National Intelligence Organization's (MIT) truck case on June 14, as it was the first time a deputy of the CHP has been locked up in an ongoing crackdown. (Photo by Altan Gocher/NurPhoto via Getty Images)

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A banner that reads 'Justice' in Turkish is seen at the 'Justice March' to protest against the Turkish government held by the main opposition Republican People's Party (CHP) in Ankara, Turkey on June 15, 2017. Kemal Kilicdaroglu, head of the CHP, starts the march from Ankara to Istanbul after his party's MP Enis Berberoglu was sentenced to 25 years in prison for leaking classified material to the press during the National Intelligence Organization's (MIT) truck case on June 14, as it was the first time a deputy of the CHP has been locked up in an ongoing crackdown. (Photo by Altan Gocher/NurPhoto via Getty Images)

A banner that reads 'Justice' in Turkish is seen at the 'Justice March' to protest against the Turkish government held by the main opposition Republican People's Party (CHP) in Ankara, Turkey on June 15, 2017. Kemal Kilicdaroglu, head of the CHP, starts the march from Ankara to Istanbul after his party's MP Enis Berberoglu was sentenced to 25 years in prison for leaking classified material to the press during the National Intelligence Organization's (MIT) truck case on June 14, as it was the first time a deputy of the CHP has been locked up in an ongoing crackdown. (Photo by Altan Gocher/NurPhoto via Getty Images)

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A woman shouts slogans during the 'Justice March' to protest against the Turkish government held by the main opposition Republican People's Party (CHP) in Ankara, Turkey on June 15, 2017. Kemal Kilicdaroglu, head of the CHP, starts the march from Ankara to Istanbul after his party's MP Enis Berberoglu was sentenced to 25 years in prison for leaking classified material to the press during the National Intelligence Organization's (MIT) truck case on June 14, as it was the first time a deputy of the CHP has been locked up in an ongoing crackdown. (Photo by Altan Gocher/NurPhoto via Getty Images)

A woman shouts slogans during the 'Justice March' to protest against the Turkish government held by the main opposition Republican People's Party (CHP) in Ankara, Turkey on June 15, 2017. Kemal Kilicdaroglu, head of the CHP, starts the march from Ankara to Istanbul after his party's MP Enis Berberoglu was sentenced to 25 years in prison for leaking classified material to the press during the National Intelligence Organization's (MIT) truck case on June 14, as it was the first time a deputy of the CHP has been locked up in an ongoing crackdown. (Photo by Altan Gocher/NurPhoto via Getty Images)

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A man is seen during the 'Justice March' to protest against the Turkish government held by the main opposition Republican People's Party (CHP) in Ankara, Turkey on June 15, 2017. Kemal Kilicdaroglu, head of the CHP, starts the march from Ankara to Istanbul after his party's MP Enis Berberoglu was sentenced to 25 years in prison for leaking classified material to the press during the National Intelligence Organization's (MIT) truck case on June 14, as it was the first time a deputy of the CHP has been locked up in an ongoing crackdown. (Photo by Altan Gocher/NurPhoto via Getty Images)

A man is seen during the 'Justice March' to protest against the Turkish government held by the main opposition Republican People's Party (CHP) in Ankara, Turkey on June 15, 2017. Kemal Kilicdaroglu, head of the CHP, starts the march from Ankara to Istanbul after his party's MP Enis Berberoglu was sentenced to 25 years in prison for leaking classified material to the press during the National Intelligence Organization's (MIT) truck case on June 14, as it was the first time a deputy of the CHP has been locked up in an ongoing crackdown. (Photo by Altan Gocher/NurPhoto via Getty Images)