Russia-Ukraine war live: Kyiv says it received no Russian request to secure Belgorod airspace before military plane crash

Ukrainian military intelligence spokesperson says two other Russian military transport planes were simultaneously in airspace

Ukraine's largest oil and gas company, Naftogaz, has reported that it is suffering a large-scale cyber-attack" on one of its datacentres. It reports via its Telegram channel that the website and call centre are currently down".

Reuters is also carrying some quotes about the apparent attack on the oil refinery in Tuapse. A source told the news agency that Kyiv would continue attacking facilities providing fuel for the Russian military.