The victim was assaulted on the Lower Drumcondra Road on Tuesday evening
Gardaí in Dublin investigating a mugging in which a woman was stabbed in the neck have made an arrest.
The victim, who was also in her 30s, was robbed and seriously assaulted on the Lower Drumcondra Road on Tuesday evening.
She was taken to the Mater Misericordiae University Hospital for treatment.
A woman in her 30s was detained in Dublin last night.
She is being questioned at Mountjoy Garda Station.
In a statement, Gardaí say the prompt of action of officers on foot patrol 'greatly assisted in this early arrest'.