WATERTOWN, S.D. (AP) — Investigators say a 19-year-old woman has died of apparent alcohol poisoning in Watertown.

Police and paramedics were called to a home early Tuesday and found the woman unresponsive. She was pronounced dead at Prairie Lakes Hospital.

Police say three to four people were inside the home at the time. Witnesses told investigators that the group had been drinking during a small gathering.

Detective Sgt. Chad Stahl says police are investigating who supplied the alcohol because everyone inside the home was underage, and have some strong leads. The South Dakota Division of Criminal Investigation is helping local detectives.

KELO-TV (http://bit.ly/2mpUkU2 ) reports the woman was a student at Lake Area Tech. Her name has not been released.

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Information from: KELO-TV, http://www.keloland.com