General staff of Ukraine’s armed forces disputes Russia’s claim of how much territory has been captured as Russia launched attack overnight

Vladimir Putin and Indian prime minister Narendra Modi are among the more than 20 world leaders attending the Shanghai Cooperation Organisation (SCO) summit, which is being held in the northern Chinese port city of Tianjin.

The SCO comprises China, India, Russia, Pakistan, Iran, Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan and Belarus – with 16 more countries affiliated as observers or “dialogue partners”. The China and Russia-led regional security grouping is trying to rebalance global power in their favour and away from the US.