The East of England Ambulance Service, criticised over poor response times, is to take delivery of 120 new vehicles.
The first will go into service in Norfolk, where cover has been described as poor by health watchdogs.
The aim is to have no ambulances over five years old.
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A series of relaxed new portrait pictures of the Duchess of Cambridge have gone on display at the National Portrait Gallery.
After a dry and sunny start, the cloud will thicken bringing patchy light rain across most parts by the evening. Highs of 14 degrees C.
Showers dying out during this evening to leave a dry night with some long clear spells leading to a frost by morning. Lows -1 deg C