Thousands of people gathered to see a series of torchlit processions winding through Lewes last year. There will be similar scenes this evening as 6 different societies compete at the event.
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Sussex astronaut Tim Peake's space mission will be celebrated with a free exhibition at The Novium Museum in his home city of Chichester.
Emergency rescue teams are currently at the scene in East Sussex searching for another missing person.
Plenty of warm sunshine with the chance of thundery showers later.