One man in his 20s remains in Garda custody this evening, in relation to the murder of a 22-year-old man in Dublin five days ago.

Shane O"Connor died in hospital after being stabbed in Donaghmede on Monday morning last. 

Two men - both aged in their mid-twenties - were arrested yesterday by investigating officers, however one has since been released without charge.

The second man is still being held at Coolock Garda station.