2019 Shanghai Cooperation Organisation (SCO) meet

From left, Indian Prime Minister Narendra Modi, Kazakh President Kassym-Jomart Tokayev, Chinese President Xi Jinping, Kyrgyz President Sooronbay Jeenbekov, Russian President Vladimir Putin, Pakistani Prime Minister Imran Khan, Tajik President Emomali Rahmon and Uzbek President Shavkat Mirziyoyev pose for a photo before a session at the Shanghai Cooperation Organization summit in Bishkek, Kyrgyzstan, Friday, June 14, 2019. (Photo: AP)

Russian President Vladimir Putin, right, and Indian Prime Minister Narendra Modi pose for a photo prior to their talks on a sideline of the Shanghai Cooperation Organization summit in Bishkek, Kyrgyzstan. (Photo: AP)

Indian Prime Minister Narendra Modi, left, embraces Russian President Vladimir Putin prior during their meeting on a sideline of the Shanghai Cooperation Organization summit in Bishkek. (Photo: AP)

Indian Prime Minister Narendra Modi gestures while speaking to Russian President Vladimir Putin during their talks on a sideline of the Shanghai Cooperation Organization summit in Bishkek. (Photo: AP)

Russian President Vladimir Putin, centre, arrives to watch a concert on a sideline of the Shanghai Cooperation Organization summit in Bishkek, Kyrgyzstan. (Photo: AP)

Chinese President Xi Jinping, centre, arrives to watch a concert on a sideline of the Shanghai Cooperation Organization summit in Bishkek, Kyrgyzstan. (Photo: AP)

Indian Prime Minister Narendra Modi, left, and Kyrgyzstan's President Sooronbai Jeenbekov shake hands prior to a session of the Shanghai Cooperation Organization summit in Bishkek. (Photo: AP)

Pakistan's Prime Minister Imran Khan attends a session of the Shanghai Cooperation Organization summit in Bishkek, Kyrgyzstan, Friday, June 14, 2019. (Photo: AP)

In this photo released by an official website of the office of the Iranian Presidency, Russian President Vladimir Putin, right, shakes hands with Iranian President Hassan Rouhani, during their meeting on the sideline of the Shanghai Cooperation Organization (SCO) summit, in Bishkek, Kyrgyzstan. (Photo: AP)

Foreground from left to right, Afghan President Ashraf Ghani, Belarusian President Alexander Lukashenko, Indian Prime Minister Narendra Modi, Kazakh President Kassym-Jomart Tokayev, Chinese President Xi Jinping, Kyrgyz President Sooronbay Jeenbekov, Russian President Vladimir Putin, Pakistani Prime Minister Imran Khan, Tajik President Emomali Rahmon, Uzbek President Shavkat Mirziyoyev, Iranian President Hassan Rouhani, Mongolian President Khaltmaagiin Battulga, wave to the media while they pose for a family photo during the Shanghai Cooperation Organization summit in Bishkek, Kyrgyzstan, Friday, June 14, 2019. (Photo: AP)