Gardaí investigating the murder of Vincent Ryan have made a third arrest.

He was shot dead on Monday, February 29 in Finglas.

The 43-year-old man was arrested yesterday evening and is being held at Blanchardstown Garda station under the provisions of section 30 of the Offences Against the State Act 1939.

The man who had been detained in Blanchardstown in relation to the investigation was released yesterday without charge.

Another man is still in custody in Finglas.