Gardaí in Cork have detained three men overnight in relation to the murder of Polish man Mikolaj Wilk.
They were arrested yesterday in the Ballincollig area during a series of searches.
Mr Wilk was killed last June in a brutal attack at his home in Ballincollig.
A number of armed men were involved in the assault, in which his wife also received injuries.
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The three suspects are in their 30s and are being held at Gurranabraher and Bridewell Garda stations.
