Ukraine

The advance started aggressively. Russia entered with quick-moving but lightly-armoured units aiming to overwhelm key targets with little opposition.The advance started aggressively. Russia entered with quick-moving but lightly-armoured units aiming to overwhelm key targets with little opposition.As the animated map below shows, Russian troops made significant initial progress both in the south, from Crimea, and the north around the capital, Kyiv, but the advance has since slowed.Next, Russia tried to encircle and isolate key cities like Kharkiv, Kyiv and Sumy, in the north and east.And it also tried to create a “land-bridge” in the south from the separatist Donbas regions by the Russian border, all the way along the Black Sea coast to Odesa, via Mariupol, Melitopol, Kherson and Mykolaiv.