Discovery of Iranian kamikaze drones last month stirred huge outcry over Iran’s involvement in the conflict

• What we know on day 251 of the invasion

Every day, the self-proclaimed Donetsk People’s Republic (DPR) issues an operational briefing. Today, it claims that one person was killed and six people were injured on the Ukrainian territory that it occupies. It also claims that “three civilian infrastructure facilities” were damaged in shelling that affected eight areas it occupies. The claims have not been independently verified. The so-called DPR is one of the areas that the Russian Federation claims to have annexed. Russia, Syria and North Korea were the only UN member states to recognise the DPR as any sort of legitimate authority.

This is Martin Belam taking over the blog in London. I will be with you for the next few hours.

Exclusive: Energy boss says ‘virtually all’ non-nuclear power stations hit by Russian attacks

• Russia-Ukraine war – latest news updates

Ukraine faces a winter humanitarian crisis unless it can prevent a collapse in its electricity supply caused by the relentless campaign of Russian bombing, the chief executive of the country’s national grid said.

Volodymyr Kudrytskyi, the chief executive of Ukrenergo, said “virtually all” large non-nuclear power stations in the country had been hit, as well as more than 30% of the network’s routing substations.