Russia-Ukraine war: Nato chief ‘absolutely certain’ summit will have ‘unity and a strong message’ on Ukraine membership – as it happened

General secretary Jens Stoltenberg comments made at press conference in Vilnius ahead of Nato summit

• At a glance: what we know on day 502 of the invasion

Russia's ministry of defence has published an image of Valery Gerasimov for the first time since the failed Wagner uprising of 24 June. Gerasimov was one of the military leaders that Yevgeney Prigozhin had been railing against for weeks before ordering his mercenaries to march on Moscow.

In a video clip posted to the ministry's official social media channels, Gerasimov is seen receiving reports about claimed attempts by Ukrainian forces to strike targets in Crimea, Rostov and other regions.

This is Martin Belam taking over the live blog in London. You can contact me at martin.belam@theguardian.com.