Why Western tanks cannot come soon enough for Ukraine

After nearly a year of combat for Ukraine, the tanks promised by the West cannot come soon enough.

For President Zelenskyy, keeping up the pace of allies’ support is crucial with aging equipment now battered and bruised.

So, why is the West taking so long to deliver? And what kind of difference will the tanks make against Russia's spring offensive?

ITV News Political Correspondent Carl Dinnen tells ITV News presenter Tom Bradby what you need to know...