Two men were injured and three horses died after a trailer carrying 10 of the animals overturned on the A303 eastbound carriageway, after colliding with a lorry.
Seven were sedated and removed by vets and expert animal rescuers but one was killed in the crash and two had to be put down.
Hampshire Fire and Rescue Service said the drivers of both vehicles were not seriously hurt.
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Friday night's forecast for the east of the region
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"Pierre Legris planned the killing of his second wife, Rui Li, and executed her with several blows to the head."