In the early hours of this morning (Sunday 18th June 2017), emergency services were called to an area off Caerphilly Mountain Road in Caerphilly following concerns for the health of a 15 year old girl.
Shortly after paramedics and police officers attended the scene, the 15 year old girl from the Caerphilly area sadly passed away.
The circumstances surrounding this death is not yet known and an investigation is ongoing.
Four people are currently in police custody helping the police with their investigation.
The family are now being supported by specialist officers.
Officers are asking anyone with any information to please call 101 and quoting: 16 18/06/17 or Crimestoppers anonymously on 0800 555 111.