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.
East Coast FM Remains Wicklow's Favourite Radio Station
Young Voices of Wicklow Unite at Comhairle na nÓg Youth Summit
Local TD Slams Government Hypocrisy In Trying To Induce Irish To Return Home
Man Appears in Court Over Alleged False Social Media Post About Asylum Seeker
Teacher Shortages Hit Wicklow Hard As Special Schools & DEIS Schools Disproportionately Affected