The baby was found injured at a house in Louth.

Gardaí in Louth have arrested a couple following an assault on a 9-week-old baby in September. The infant was discovered with serious head injuries at her home in Louth. She was rushed to the hospital following the assault. However, she remains in critical condition at Temple Street Children's Hospital. She is receiving treatment for her injuries, but they are extremely serious. According to The Independent, a couple has been arrested in connection with the assault. A man and woman, both aged in their 30s, were arrested on  Tuesday, November 1st. The man and woman were arrested separately. They're also being questioned by specialist officers at Garda stations in Dundalk and Drogheda. They're both being held under Section 4 of the Criminal Justice Act. Gardaí have to charge or release the man and women by today. The assault happened at the infant's Louth home on September 13th. After arriving on the scene, Gardaí were told the infant fell down the stairs. However, Gardaí upgraded the case to a criminal investigation. The case was upgraded after medical results were examined by investigators. They don't believe the child was injured accidentally. Gardaí and Tulsa are also working together as the investigation continues.