Ancient burial mounds called kurgans have been damaged in areas of Ukraine occupied by Russian forces, which could indicate a violation of international law.

The Ukrainian armed forces have deployed a new kind of drone to defend their country, one filled with a pyrotechnic thermite mixture that rains fire down on enemy positions. Its use is highly controversial.

Management at the Russian-held Zaporizhzhia nuclear power plant in eastern Ukraine accused Ukrainian forces on Friday of launching a drone attack on a nearby electricity substation and posing a threat to the plant.

Russian pensioners are being killed on the front lines of Ukraine after signing up to collect generous financial rewards for joining their country’s invasion force.

More than 70,000 people fighting in Russia’s military have now died in Ukraine, according to data analysed by the BBC. And for the first time, volunteers - civilians who joined the armed forces after the start of the war - now make up the highest number of people killed on the battlefield since Russia’s full-scale invasion began in 2022.

The BBC and Mediazona have documented around 70,000 Russian soldier deaths since the invasion of Ukraine began. This figure is based on public information, but the actual number could be higher. Mediazona and Meduza estimate the toll might be 120,