A Challenger 2 Main Battle tank during a demonstration in Wiltshire UK-donated Challenger 2 tanks have been used by Ukraine as part of its surprise incursion into Russia, a UK source has confirmed.

Germany said it would send Leopard 2 tanks and the US said it would send M1 Abrams tanks. Both the UK and Poland have already made concrete pledges, and other nations are expected to follow.

UK has spent £3.2 billion (US$ 4.5 billion) on noisy tanks that can’t shoot while moving, according to a Time report. The news comes after critics called on the government to upgrade its ...