A man in his 30s has been in arrested as part of the investigation into the stabbing of an elderly man at his home in Co Louth.

A 93-year-old is in stable condition in hospital after the serious assault on Sandy Lane in Blackrock yesterday afternoon.

Gardaí arrested a man late last night and he is being detained at Dundalk Garda Station.

The injured man remains at Our Lady of Lourdes Hospital in Drogheda.