Fifth arrest over kickboxer murder
A man in his 20s has been arrested over the murder of a champion kickboxer in Dundalk.
Niall Dorr, 18, was attacked as he walked along Castle Road on Wednesday October 13.
He died the following day.
Detectives believe the young man was assaulted during a row with a number of people and suffered fatal head injuries.
The arrested man is the fifth person to be questioned over the death.