![A Ukrainian soldier smiles from a military vehicle on the road in the freed territory in the Kharkiv region. AP](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/F5MYM7L35XOXWL25X7KFV6CNPY.jpg?smart=true&auth=b4faf074f12d43df426187b5936773c596000e9e05d771d990f46e6bf76daac6&width=400&height=225)
A Ukrainian soldier smiles from a military vehicle on the road in the freed territory in the Kharkiv region. AP
A Ukrainian soldier smiles from a military vehicle on the road in the freed territory in the Kharkiv region. AP
Russia surrenders area the size of Cyprus in lightning Ukraine offensive
Western officials warn that Kyiv troops could now face more robust resistance from their invaders