Fleeing Ukrainians who have family in the UK will be able to live, work and claim benefits in Britain for three years under rules which begin today.
Home Secretary Priti Patel visited Poland's border to unveil the Ukraine Family Scheme after a million people - 2% of the population - already fled Russia's invasion.
Under pressure from critics, she has twice made the scheme more generous in recent days - first widening it to extended family, then giving three-year visas not one-year.