The body of a man was discovered at a garage on the Dublin Road, Fermoy, last night.
Gardaí were called to the scene of a truck parking area at the garage last night at 10:30pm on Tuesday night.
The deceased man, believed to be in his 40s, reportedly suffered head injuries.
A second man was taken to Cork University Hospital but his injuries are described as non-life threatening.
According to a Garda statement, two males were arrested at the scene and are currently being detained at Fermoy and Mallow Garda Station under Section 4 of the Criminal Justice Act, 1984.
The scene on the Pike Road has been cordoned off and a full forensic examination will be carried out later on Wednesday.
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