A 51-year-old woman remains in a serious condition in Tallaght hospital in Dublin following a hit-and-run in Kildare.
It happened at around 8.30pm on Friday at the Canal Bridge in Osberstown in Naas.
A 16-year-old boy who was being questioned at Naas Garda Station in connection with the incident was released without charge yesterday evening.
A file will be prepared for the Director of Public Prosecutions.
Gardaí are appealing for witnesses.