Story highlights Workers discovered dozens of body parts in a disused room in a police station in northern India

Foul play is not suspected, but officials are unsure why the bodies were not disposed of properly

The discovery comes shortly after the remains of around 80 people washed up in the district after disposal in the Ganges River

(CNN) Indian authorities in the northern state of Uttar Pradesh have made a grisly find in one of their police stations: dozens of human body parts.

Contract workers made the discovery in the city of Unnao, around 60 kilometers (37 miles) southwest of Lucknow.

While cleaning a disused part of a city police station late last week, the workers chanced upon sacks filled with human remains in a room that had been locked for a long time.

Until 2008, the room was used as a mortuary, where bodies were kept before funerals, Ram Kishan Yadav, an additional superintendent of police for Unnao District, told CNN.

In mid-2008, he said, the mortuary was shifted to an area hospital.

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