Leaders including Russian President Vladimir Putin and Indian Prime Minister Narendra Modi are attending a Shanghai Cooperation Organisation (SCO) summit in China, overshadowed by trade tensions with the United States.

• This year's gathering in Tianjin is the largest since the SCO was founded in 2001.
• Key people involved are Russian President Vladimir Putin, Indian Prime Minister Narendra Modi, and China's president, Xi Jinping.
• The summit occurs as US President Trump has imposed tariffs on Indian goods and Putin faces threats of sanctions for the ongoing war in Ukraine.