Russia’s advances in eastern Ukraine are slowing and hundreds of thousands of troops have been killed. As Kyiv seizes the upper hand, Alex Croft looks at the data that shows why Moscow is struggling

Days after a deadly heatwave swept across Europe, troops in Ukraine tell Alex Croft that they will try to use extreme weather to their advantage by disrupting Moscow’s supply routes

Kyiv observes a day of mourning after 27 killed, 91 wounded and more than 130 buildings destroyed in deadliest strike