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They are on hand at a moment's notice - saving lives that may otherwise have been lost.

This week marks Kent Air Ambulance week, in which we think of the crews who have flown 12,000 missions at up to 150mph over many years.

We look at how we can help fund the service, which takes £1.5m of voluntary contributions to run each year.

See our special report highlighting the work of the heroes of the Kent Air Ambulance.