Balloons will be released later on today (Sunday) to mark one year since a teenager was stabbed to death at the house party in Colchester
Jay Whiston's mother Caroline Shearer has spent a lot of the last year campaigning to keep knives off our streets.
She says she wants to stop other parents having to go through what she has over the past 12 months.
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Dry with clear or sunny spells. Winds easing overnight.
Very warm with sunshine. Chance of thundery showers late morning.
A hot, humid and sunny start before cloud increases as a narrow band of thunderstorms spreads northeast. These clear during the afternoon.