Russian forces are planting mines around areas they have seized as they prepare for a “long war” of attrition in Ukraine, new images show.
The Institute for the Study of War, a US think tank, says Russian troops are strengthening their positions around the periphery of the Ukrainian capital Kyiv, and in other parts of the country.
Nearly a month after the invading army first crossed the border, the lightning advance which Vladimir Putin anticipated has failed to materialise.
