A 24-year-old man has been charged with attempted murder after a crash between a car and pedestrian.
It happened on on 8 October on Wharf Road, Newport.
The man charged is from the Newport area. A man and woman, both 38 and from the Newport area, were arrested on suspicion of assisting an offender, and have been released under investigation.
Gwent Police said the pedestrian, a man aged 22 from the Newport area, remains in hospital in a critical condition.
The force said it was not looking for anyone else in connection with the incident.