A heartbroken sister has shared the moment she heard her brother’s heart beat for the final time.

Charlie Cosser, 17, was stabbed three times at an end-of-term house party in 2023 and died two-and-a-half days later in hospital.

Charlie’s dad Martin has dedicated the rest of his life to preventing knife crime – and his family have shared the devastating impact of his death in a new documentary.

Yura Varybus, 16, was found guilty of murder after a trial at Brighton crown court and handed a life sentence.

And now the story of Charlie’s murder case going viral will be told in ITV1 series TikTok: Murder Gone Viral.

During the programme, viewers will see Charlie’s younger sister Eloise describe how she and her family found out about the stabbing. She said: ‘I woke up to the sound of the doo

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