A six-week-old baby girl is being treated for serious injuries following an incident in Co Meath.
A woman in her 20s also suffered minor injuries and a man has been arrested.
The incident took place at around 7am yesterday in Ashbourne, Co Meath.
During the course of the assault the baby girl received serious but non life-threatening injuries and was taken to Temple Street Children's Hospital in Dublin.
A man in his 20s was arrested and is being held at Ashbourne Garda Station. Gardaí said the man will appear before Trim District Court this afternoon.
They added that the investigation into injuries sustained by the infant in this incident is still ongoing.