Proceeds from a ball to be held in memory of Charlie Harris Beard will go to his charity Cords4life.
Charlie from Worcestershire, died in February from leukaemia but his life was prolonged after he received a cord donor transplant from America.
Charlie's parents now want to make sure others can benefit from cord blood donation.
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She fears she could have killed her entire family if the device she discovered in a field had gone off.
Sunshine and blustery showers. Some of the showers will be heavy, with a risk of hail and thunder.
Sunny spells and showers, accompanied by a stronger westerly breeze. Showers could turn heavy with a risk of hail and thunder later.