Arrest made in 21 year old County Derry murder case

A man has been arrested in connection with a murder in County Derry almost 21 years ago.
18 year old Jonathan Cairns from Ballykelly was attacked as he made his way home from a night out in the early hours of 25th April 1999.
His body was subsequently found in a shallow grave in Loughermore Forest.
A 50 year old man has now been arrested.