A jury has convicted a Cork man of the murder of a neighbour he stabbed to death when he gate-crashed a late night party in the man's flat. During the six-day trial in the Central Criminal Court Laurence O'Sullivan (34), of Clashduv Road, Togher, Cork, had denied the murder of Mr Alan Kelleher (28), also of Clashduv Road, on November 18th, 1999. Mr Justice O'Sullivan sentenced him to life imprisonment.