Lancaster police said they are investigating the death of a 19-year-old woman.
Police said they responded to a home on the 500 block of East End Avenue around 2:45 a.m. Wednesday after receiving reports of a cardiac arrest and unconscious person.
Police said they located the unconscious woman on the second floor of the home. She was not breathing and EMS confirmed she had died, police said in a news release.
An autopsy was performed later that afternoon. Police said investigators are still awaiting the cause and manner of death.
The woman's name is not being released.
Police spent the day interviewing neighbors and potential witnesses and processing the death scene.
Anyone with information is asked to call Lancaster police at 717-735-3300.