Further tests will be carried out to determine the cause of death of a man who died in hospital almost a week after an altercation with a number of youths in Co Louth.

Mystery surrounds the death of a businessman who died six days after a row with youths outside his offices in Drogheda.

The results of a post-mortem examination on the body of a Co. Louth man in his 50s have proven to be inconclusive.

A post-mortem examination will be carried out later on the body of a man who died in hospital following an altercation in Co Louth last Thursday.

Gardaí are investigating the death of a 53-year-old man in Drogheda today.