A post mortem examination's taking place today on the body of a baby boy who was killed in te Ardoyne area of north Belfast on Tuesday night.
A two-year-old girl's fighting for her life in hospital, after being seriously injured in the incident.
A 29-year-old woman was arrested on suspicion of murder and attempted murder, and remains in police custody.
It's understood the children's father returned home from England yesterday.
West Wicklow To Receive Major Fire Service Investment Under National Capital Programme
Tánaiste Announces €40 Million Investment For Blessington Housing Development
Major Easter Rail Works Set to Disrupt Wicklow Commuters
Wicklow GAA Under Fire After ‘deeply disrespectful’ April Fools’ Post
Knockananna's Sarah Murray Takes First Dates Ireland By Storm