The Brief A woman called 911 after her foster daughter became unresponsive. Harris County authorities are reporting a 13-year-old has died following a "possible medical emergency." Harris County: Teen dies following ‘medical emergency’What we know:According to Harris County Constable Precinct 4, authorities were called out to the intersection of Veteran Memorial Drive and Antoine Drive. Officials at the scene said a teen girl's foster mother called 911 after her daughter became unresponsive in her vehicle. Photo from the scene (Source: Harris County Constable Precinct 4)What we don't know:No one involved has been identified at this time.