On the 23rd day of Russia’s invasion of Ukraine on Friday, Moscow’s forces were still encircling four major cities but were making only minimal progress in their advance. Western sources said the Russian troops were struggling with logistical supply problems and their failure to control Ukraine’s airspace, while Ukrainian forces were hitting back with counterattacks of their own. Here is a summary of the situation on the ground, based on statements from both sides, Western defence and intelligence sources and international organisations. LIVE UPDATES: Russia’s war in Ukraine: Latest developmen…