Key developments to know about from Russia’s war in Ukraine: 1. Ukraine ‘makes biggest advance in the south since war began’Kyiv made a major military breakthrough in south Ukraine on Monday, Reuters reports. Ukrainian troops recaptured villages along the banks of the Dnipro River in southern Ukraine, creating a large front that is forcing Moscow to abandon ground it annexed only days ago. The advance into the Kherson region was the biggest Kyiv has made since the war began in February, according to Reuters. It comes off the back of similar breakthroughs in the east that have turned the tide o…