A 23-year-old man has been remanded in custody in connection with the murder of Limerick businessman Roy Collins. James Dillion, of no fixed abode but from Limerick City, appeared before Limerick District Court this afternoon. The court was told that he gave no reply when charged at Henry Street Garda Station this afternoon. Thirty-five-year-old Roy Collins was shot at Coin Castle amusement arcade at Roxboro Shopping Centre last Thursday. A 19-year-old man and a 27-year-old woman, who were being questioned in connection with the murder, were released without charge today.