UK considers supplying handful of Challenger 2 tanks to Ukraine, Ukraine

Sources say Kyiv hopes move may encourage Berlin to supply Leopard 2s as it seeks 300 tanks in war against Russia

U.K. and Allies Weigh Sending Ukraine Heavy Tanks, Pointing to New Phase of the War - WSJ

The Shipment of Tanks and Weapons to Ukraine is Insufficient

British Challenger Two tanks are seen on the Ukrainian front line for the first time

UK and Poland confirm plans to send modern heavy tanks to Ukraine

Why did British bosses ban Ukraine from using Brit Challenger tanks in the battlefield? Was it to prevent the brand destruction suffered by pictures of burning Leopards and Bradleys? - Quora

M-60s for Ukraine? - by John Birmingham

PULASKI COMMENTARY: Potential deliveries of Western heavy vehicles to Ukraine are not sufficient (Robert Czulda) - Fundacja im. Kazimierza Pułaskiego

Canada considering sending 4 Leopard tanks to Ukraine: sources

Britain considering expanding tank fleet

UK considering supplying Ukraine with Challenger 2 tanks to fight Russian forces, World News

Defence Secretary announces combat power package for Ukraine