A flight attendant was found in a hotel room with a sock in her mouth, and was later pronounced dead.
The unnamed 66-year-old woman, who came from Las Vegas, said to have been a flight attendant from American Airlines and found at the Philadelphia Airport Marriott.
Cleaning staff made the discovery on Monday 26 September, and called police.
She was supposed to have checked out of her room two days earlier.
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The woman, who had a sock in her mouth when found, was pronounced dead at the scene.
Despite the unusual circumstances she was found in, Philadelphia police say there was no sign of forced entry, no signs of a struggle and no weapons were recovered - but they are still treating her death as suspicious.
The woman was reportedly on 'several medications', according to police, and a handful of sealed prescription drug bottles were also found in the room, 6acb Philadelphia reports.
A cause of death has not been revealed, but the 66-year-old had a 'sudden death', Police Chief Inspector Scott Small told NBC10.
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Small also confirmed that there's so far been no arrests made and that the investigation into the matter from the Homicide Detectives Division is ongoing.
UNILAD has contacted Philadelphia Police for further comment.
Her passing comes three months after another American Airlines air hostess sadly died, but this time while onboard a plane.
In June, a woman was working on a flight to Philadelphia from Venice when she collapsed in front of her colleagues.
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The flight attendant, who was later revealed as Carol Wright, was rushed to hospital once the plane landed but was tragically pronounced dead.
Carol had worked as a flight attendant for 38 years.
American Airlines issued a internal memo, which was shared by an airline insider on Twitter, at the time of her passing to confirm the sad news.
Alongside a photo of Carol, the airline wrote: "It is with great sadness that we share the sudden passing of PHL-based Flight Attendant and Purser Carol Wright while working a flight this morning.
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"Carol began her career with American Airlines 38 years ago, and she loved her profession and the many friendships she created. She is remembered as a pleasure to support and a joy to work alongside.
"Any unexpected loss is extremely difficult, but please know that we are taking care of the colleagues who were flying with Carol.
"We are also in contact with Carol's family and will provide for their needs and any help they require as we assist with bringing her home."
Those who worked with Carol also labelled her as a 'very, very warm and kind personality'.
Topics: News, US News, American Airlines