Detectives investigating the fatal stabbing of a teenager in West Yorkshire have charged the girl's younger sister with murder.
Forensic examinations were taking place at the house in Halifax
The 16-year-old victim was found with serious injuries at a house in Ovenden, Halifax, on Monday night, and died at Calderdale Royal Hospital.
Her 14-year-old sister also suffered knife wounds and was taken to a police station after treatment in hospital.
She is due to appear before a youth court sitting in Bradford.
The girls cannot be named for legal reasons.
Officers remained outside their home on Wednesday as forensic officers continued their investigations inside.