Two women have been arrested after an altercation in South Oxhey.
A 28-year-old woman from Watford and a 50-year-old woman from Abbots Langley were arrested on suspicion of assault and have been bailed until Thursday, June 26.
Three women were involved in an altercation in Ainsdale Road on Tuesday May 20. Two women sustained head injuries in the incident.
Investigating officer, PC Kriszti Gulyas said: "This incident occurred at a time when there would have been a lot of people around as parents were picking up their children from the school.
"I would like to hear from anyone who remembers seeing an altercation or the events that led up to the incident. Any information, however insignificant it may seem, may provide vital assistance to the investigation."
Anyone with information is asked to contact PC Gulyas via Hertfordshire Constabulary’s non-emergency number 101, citing reference C3/14/551.