A video appears to show a British-built Challenger 2 tank in Ukraine with an extra piece of armor added to protect a weak spot.
Western Tanks Appear Headed to Ukraine, Breaking Another Taboo - The New York Times
First German Leopard 2 tanks delivered to Ukraine
Ukraine Modifying UK Challenger 2 Battle Tanks Due to Weak Spot: Report
What is a 'main battle tank,' and how will Ukraine use them? - Breaking Defense
Speed, number of tanks supplied is vital to Ukraine, Zelenskyy insists – Euractiv
Ukraine upgrading UK-made Challenger 2's with Mad Max-style armour to defend against Putin's kamikaze drones
British Challenger 2 tank destroyed in combat for first time, Ukraine footage shows, Ukraine
bne IntelliNews - West fails to deliver tanks to Ukraine due to resurgent reluctance and logistics
Ukraine upgrading UK-made Challenger 2's with Mad Max-style armour to defend against Putin's kamikaze drones
Russia decries German tanks decision, Ukraine 'sincerely grateful
Human Flesh, It Cannot Survive': Russian Infantry 'No Match For Western Weapons,' British Analyst Says
Russia's Ill-Fated Invasion of Ukraine: Lessons in Modern Warfare
Visualizing the World's Top 25 Fleets of Combat Tanks - Visual Capitalist
U.K. and Allies Weigh Sending Ukraine Heavy Tanks, Pointing to New Phase of the War - WSJ