Trials are due to begin on a treatment for cystic fibrosis which replaces a faulty gene and stops mucus forming in the lungs.
Toni Hannon is from Ripon and her son Evan has the condition. When he's ill he coughs, has night sweats and panic attacks, vomits and is always tired.
She's raised money in the past for research into the illness.
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Ahmed Sayeed Adan was taken to hospital with life-threatening injuries, where he died on Tuesday 29 November.
The victim is believed to be a man in his 50's. He was found collapsed at a property on Ascot Parade on Tuesday 29 November.