West Mercia police say they are investigating the death of a man found at an address in Oak Drive, St Martins, Oswestry.
The man died on Wednesday, however it has not yet been confirmed whether he died at the house or in hospital.
A 31-year-old man has been arrested on suspicion of murder and remained in custody on Thursday morning.
Detectives in the case have reassured the community that the death is believed to be an isolated incident.
Police vans were parked outside a row of terraced houses on Oak Drive, which fronts onto the main Overton Road, throughout Wednesday as investigations continued throughout the day.
A large team of forensic officers spent the afternoon in the village.
Local people would not speculate on the police activity.
A solitary police car remained at the scene on Thursday.
A spokesman for West Mercia Police said: "The man sadly died on Wednesday and the cause of death is not yet known. However, the death is being treated as suspicious and police have launched an investigation.
"A 31-year-old man has been arrested on suspicion of murder and remains in police custody.
"We would like to reassure the community that this is believed to be an isolated incident."
Anyone with information can contact West Mercia Police on 101 or Crimestoppers on 0800 555 111.