A woman has been arrested after the death of a 13-year-old boy.
Police were called to a house in Sloan Drive, Bramcote, Nottinghamshire, just before 01:00 GMT on Monday.
The boy, who has been named locally as Josh Clark, was taken to hospital and died on Tuesday evening.
A 36-year-old woman has been arrested on suspicion of supplying a controlled drug and was further arrested in custody on suspicion of causing grievous bodily harm.
A 14-year-old boy, who was also at the address, is in a stable condition in hospital.
Nottinghamshire Police said it was still trying to work out the circumstances surrounding the teenager's death.
The woman has been bailed pending further enquiries.