A 22-year-old man has been arrested by Gardai investigating the murder of a taxi driver in County Louth last year.
The body of 53-year-old Martin Mulligan was found at Carnmore just outside Dundalk in the early hours of the 28th of September.
He had been stabbed to death.
This evening a man was arrested in connection with his murder.
He is being held at Dundalk Garda Station under Section 4 of the Criminal Justice Act and can be held for up to 24 hours.