article: The younger girl was found with life-threatening injuries near an address in Alness Drive, in the Woodthorpe area of the city. She was taken to hospital but died a short time later, North Yorkshire Police said. The teenager remains in police custody and is being questioned by officers, the force added. A spokesman said officers found the seven-year-old after police were called at about 16:30 GMT. The investigation into the circumstances surrounding the girl's death continues, he added. Earlier, the York City and East policing team posted a message about the incident. In a tweet, they said: "Difficult late shift for all York staff with tragic death of a seven-year-old. Thoughts go out to family members."
summary: A 15-year-old girl has been arrested after the death of a seven-year-old girl in York, police have said.