The boy (3) was discovered at an apartment block in Kimmage, Dublin on Monday
A woman - in her early 40's - is continuing to be questioned by gardaí in connection with the fatal stabbing of a toddler in Dublin on Monday.
The body of the three-year-old boy was discovered at an apartment block at Poddle Park in Kimmage on Monday evening.
His mother was taken to hospital with serious injuries.
A homicide investigation was launched after the child's death, and forensic examinations were carried out at the scene yesterday.
A woman was arrested earlier this morning in connection with the child's death.
She is being held at Crumlin Garda Station.