![Russian soldiers take part in drills in the Rostov region in southern Russia. Concerns over a 'lightning' strike on Ukraine have risen. AP Photo](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/2N2AUXI2VRQCSRTDC5JZ65K52I.jpg?smart=true&auth=ee63480b8275ea8580e0ac2f96987b953d6c2b5b74a27ab9f64bb697a828c1ce&width=400&height=225)
Russian soldiers take part in drills in the Rostov region in southern Russia. Concerns over a 'lightning' strike on Ukraine have risen. AP Photo
Russian soldiers take part in drills in the Rostov region in southern Russia. Concerns over a 'lightning' strike on Ukraine have risen. AP Photo
Russia tests hypersonic missiles as experts fear Putin may launch Christmas offensive
US and Europe urge Moscow to enter talks after Russian president's threats
Thomas Harding
December 24, 2021