A teenager has admitted attacking guests at a schoolgirl's house party in Maidenhead and will be sentenced on Friday.
The 17-year-old, who cannot be named for legal reasons, pleaded guilty at Reading Crown Court last month to two counts of GBH with intent and one of intimidating witnesses
The incident took place in Somersby Crescent in the early hours of November last year and left four teenagers with cuts.
A 17-year-old has also been charged with GBH in connection to the incident and will enter pleas on September 25.
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The Met Office has issued a yellow alert for Windsor and Maidenhead, Slough and Wokingham, warning that rain moving eastwards across the south of the country may turn to snow in some places.