A man was stabbed to death in a knife attack at the FedEx parcel delivery warehouse in Rotherham.
When emergency services arrived, they discovered a 60-year-old man in critical condition.
He was later pronounced dead at the scene in the Hellaby neighborhood of town.
His family has been notified and is being assisted by specially trained officers.
South Yorkshire Police said a 48-year-old man from Sheffield was arrested on suspicion of murder and is still in custody.
DCI Simon Palmer, leading the investigation said: “We are working hard to establish the circumstances of this tragic incident, which we know will be causing concern in the community.
“Our officers remain on the scene while we carry out our enquiries.”
Anyone with information that could help our officers is asked to call 101 and reference incident number 260 from November 2, 2022.
The scene is still cordoned off as forensic officers begin their investigation.