Gardaí have resumed a search for human remains at a wooded area in Ballyfolan, Co Wicklow, where a human skull and skeletal remains were discovered last week.
DNA tests are being undertaken to determine if the remains are those of missing Dublin man Paul Byrne.
Relatives of Paul Byrne, a 20-year-old from Tallaght who went missing last year, attended the scene of the search operation last Friday and said they fear the human remains could be his.
Mr Byrne, who is a father of two children, was last seen getting into a car outside his home on July 15th, 2009. His family fear he was murdered and his body hidden.
Several objects have been found at the scene including a set of keys, a bracelet and track suit bottoms, which are expected to help the identification process.
Garda dog teams and technical units have been searching the area for several days following the discovery of a human skull by forestry workers last Thursday.
The skull, which is estimated to belong to a male between the age of 18 and 50, has been sent to the State laboratory for identification.