Three young men are in hospital with life threatening injuries, after being stabbed at a party on the Bedfordshire Cambridgeshire border.
Four people were attacked during the incident at the village of Begwary, near St Neots, in the early hours of Sunday morning.
ITV Anglia spoke to Jo Hobbs from Bedfordshire Police.
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Following a sunny morning, cloud will build this afternoon and showers will develop in many areas. Feeling cool with highs of 17ºC.
There'll be a mixture of sunny spells and showers today and tomorrow. It will feel cool with a keen southwesterly breeze.