Ukrainian forces achieved their biggest breakthrough in the country’s south since Russia invaded, pushing across Moscow’s defence lines on Monday and advancing along the Dnieper River, recapturing a number of villages along the way and threatening enemy s...

A series of blasts at military facilities have prompted residents and tourists to evacuate Crimea, an area of Ukraine that has been controlled by Russia since 2014. Here’s why the peninsula, a key base for Moscow’s forces, is a new front in this war.