An NHS campaign is calling for more people to give blood during the World Cup, when donations usually fall because football fans are busy.
Nearly a quarter of us will need a transfusion at some time in our lives.
Staff at this blood processing plant work 24 hours a day to keep local hospitals well stocked.
Julie Stevens NHS Blood and Transplant Service explains why this is important:
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Wintry start for some and windy. Brightening later
Emma brings you Saturday's forecast
Longest cold spell of winter so far. Mainly dry and bright, but feeling bitterly cold today. Very wintry further east, blizzards possible