A summary of today's developments
President Zelenskiy said a “very severe” situation persists in the eastern Donetsk and Luhansk regions, with the “most difficult” fighting near the town of Bakhmut.
Officials in Donetsk, which remains under Russian separatist control, have blamed Ukraine for a rocket attack that did significant damage to the city’s mayor’s office.
More than 30 settlements across Ukraine have been hit by Russian strikes in the last day, according to the Ukrainian military.
The Ukrainian military has also said the estimated number of Russians killed since the start of the war has reached 65,000.
Two schools in the southern Zaporizhzhia region have reportedly been destroyed in Russian strikes.
Ukraine has succeeded in maintaining its energy stability after Russian attacks last week that targeted key parts of its infrastructure, Ukrainian prime minister Denys Shmyhal has said.
Russia is “probably incapable of producing advanced munitions at the rate they are being expended”, according to the latest update from the UK Ministry of Defence.
US and allied security officials believe Iran has agreed to provide Russia with surface-to-surface missiles and attack drones intended for use in Ukraine.
The Belarusian defence ministry has said just under 9,000 Russian troops will be stationed in Belarus as part of a “regional grouping” of forces to protect its borders.
Russian soldiers have reportedly shot dead Ukrainian conductor Yuriy Kerpatenko in his home after he refused to take part in a concert in occupied Kherson.
US-based thinktank The Institute for the Study of War has said Russia continues to conduct “massive, forced deportations” of Ukrainians that “likely amount to a deliberate ethnic cleansing campaign”.
The UN’s undersecretary general for humanitarian affairs has reportedly arrived in Moscow for talks over grain exports.
Poverty in Ukraine has increased tenfold since the start of the war, a top World Bank official has said.
The White House national security adviser, Jake Sullivan, said it was incumbent upon Nato allies and other responsible countries, including China and India, to “send a very clear and decisive message to Russia that they should not contemplate the use of nuclear weapons in this conflict”.
He was a surprise absentee from the leadership race in July, but the defence secretary, Ben Wallace, is now being touted as a replacement for UK prime minister Liz Truss.
Wallace was promoted to defence secretary in 2019 and has been praised for his handling of the Ukraine crisis.
He was one of the first to make Kyiv’s case with western allies, and pushed the government to support Ukraine.
Updated