A man was arrested today in connection with the murder of a Derry blues musician.
Jim Gilchrist, 62, was found dead in the river Foyle last September after a night out at a motorcycle club in the city.
Three men, two aged 18 and one aged 27, have already appeared in court charged with his murder.
The PSNI confirmed a fourth man had been arrested and was helping officers with their inquiries.
PA
