Within hours of being given the go-ahead by the US to use long-range ATACAM missiles within Russia, Ukraine hit the launch button. They reportedly struck an ammunition depot in Russia's Bryansk region. Russia's Foreign Minister responded by saying it marked a "qualitatively new phase of the Western war against Russia" and that his country would "react accordingly". | Channel 4 News

US tells Russia and Ukraine - agree ceasefire or we ‘walk away’ Warning: this report contains distressing images from the start | Channel 4 News