Detectives have arrested a man on suspicion of the murder of a teenage girl found stabbed to death in Bradford.
A man, a woman and a teenage girl were found injured at Landmark House in the Broadway area of the city at about 1430 BST on Friday.
The 18-year-old girl died later in hospital and a post-mortem examination revealed she died due to stab wounds.
A 33-year-old man who was taken to hospital has been arrested.
The 32-year-old woman has been treated at Bradford Royal Infirmary for minor injuries.