It's believed the victim whose limbs were found in a recycling plant in Ballyfermot in Dublin suffered a violent death.
Investigators are awaiting the results of DNA tests on a dismembered leg and pelvis discovered in a bin in Thorntons Recycling Plant on Thursday night.
A post-mortem carried out on Friday proved inconclusive.
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Yesterday, Gardaí discovered bone fragments found on the same site.
The identity of the deceased has not yet been established.