Russia s T-14 Armata tanks are rolling onto the battlefield, the Kremlin has announced, putting them head to head with Ukrainian forces who have been using tanks gifted by western nations.
Ukraine may use British Challenger 2 tanks (pictured) to spearhead a counter against invading Russian forces after the crews were trained in the UK, war intelligence experts believe.
Britain said in January it would send 14 of the tanks to Ukraine, which is preparing for a possible counter-offensive against Russian forces that invaded 13 months ago.
The United States, Germany and more Western allies are poised to join Britain in sending heavy tanks to Ukraine in move that could prove a gamechanger in Kyiv s war effort.