A 43-year-old man has been arrested by gardaí investigating the disappearance of a teenage girl in Sligo.
The man is being held at Sligo Garda Station.
14-year-old Melissa Mahon disappeared from her home in Sligo town in September 2006.
On 1 February this year, gardaí investigating her disappearance began an extensive search of Lough Gill.
They were acting on information and after almost two weeks they discovered skeletal remains which were taken away for analysis.
Gardai have not revealed the results of the tests carried out on the remains recovered from Lough Gill in February.
However RTÉ News understands that the tests positively identified the remains as those of the missing girl Melissa Mahon..
