Sources say Kyiv hopes move may encourage Berlin to supply Leopard 2s as it seeks 300 tanks in war against Russia
Britain to give Ukraine heavy tanks, as German 'Leos' are on hold
For Ukraine, Western tanks could be a game changer in the conflict
Does Germany sending tanks to Ukraine mean the US is open to sending their own?, World News
UK considering supplying Ukraine with Challenger 2 tanks to fight Russian forces, World News
Never mind Britain: Germany looks for US to lead the way on battle tanks to Ukraine – POLITICO
How are the Challenger tanks doing on the battle front? Have they been successful or have they disappeared without a trace? - Quora
Britain 'is considering supplying Ukraine with ten £4.2million Challenger 2 tanks
Challenger 2 - Wikipedia
Why are Ukraine's allies arguing about tanks?
Britain considers supplying Ukraine with Challenger 2 tanks
All 31 Abrams Tanks in Ukraine, US Military Confirms to VOA