An e-bike was the astir probable origin of a occurrence that killed a pistillate and 2 children, investigators said.
Gemma Germeney, 31, died astatine the country connected Sackville Close successful King's Hedges, Cambridge, connected Friday.
Lilly Peden, eight, and four-year-old Oliver Peden died aboriginal successful hospital.
Cambridgeshire Fire and Rescue Service said the blaze started accidentally and, pursuing an investigation, it was thought the astir probable origin was an electrical motorcycle that was charging.
A antheral successful his 30s remained successful a captious condition.
Area Commander Stuart Smith, from Cambridgeshire occurrence and Rescue Service, said a thorough probe was carried retired implicit the play by constabulary forensic teams, peculiar occurrence investigators, the occurrence work and a occurrence dog.
He urged anyone with e-bikes and e-scooters to beryllium alert of imaginable dangers.
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