Ukraine war: About 30 days left for Ukraine offensive - US Army chief

US Army chief Mark Milley and the head of the UK's Armed Forces Sir Tony Radakin have been speaking to the BBC's Sunday with Laura Kuenssberg programme about Ukraine's progress with its counter-offensive against Russia's forces.

Ukraine has 30-45 days of "fighting weather left" before its offensive against Russia becomes much harder, the US' highest-ranking military officer said.