The 18 year old's body was found three weeks ago

A teenager's been arrested in connection with the murder of Cameron Reilly.

The body of the 18 year old was discovered in a field in Dunleer, Co. Louth almost three weeks ago. 

A post mortem revealed that the teen had been strangled.

An 18 year old man was arrested by detectives investigating the killing.

He's being questioned at Drogheda Garda Station where he can be held for up to 24 hours.