A 27-year-old man has been arrested after the death of a 76-year-old man in Cimla area of Neath.
The man remains in custody.
South Wales Police were called to the property in Lime Grove at 9:16pm on Thursday evening following reports of a disturbance.
Officers are calling for any witnesses and have warned residents of an 'increased police presence' in the area:
A cordon remains in place as the investigation continues.