A man was being questioned early today at Rathfarnham Garda station in connection with the death of a man in his forties at his home at Loreto Road, Rathfarnham, earlier yesterday. The body of the man, who has not been named, was discovered at about 3.15 p.m. The State Pathologist, Prof John Harbison, examined the scene prior to carrying out a post-mortem examination.