Police are appealing for witnesses to an incident outside a primary school in Eastbourne on Monday (September 13) morning.
Officers were called to Parklands Infant School in Parkfield Avenue at around 9am to reports of a group of adults involved in an altercation.
Following a minor collision between two cars in the parking area, a man who was a passenger in a white Range Rover confronted the woman driver of the other car, a silver Vauxhall.
A man and a woman who came over to intervene became involved in an altercation with the man and the woman driver of the Range Rover.
A 24-year-old local woman suffered injuries to her face and neck in the incident, and her mobile phone was broken. A 27-year-old local man also suffered head, chest and leg injuries.
Officers arrested a man, aged 36, on suspicion of assault and using threatening behaviour with the intent to cause fear and a 36-year-old woman on suspicion of assault and causing criminal damage.
Both suspects, who are from Eastbourne, were released on conditional bail while enquiries continue.
Anybody who witnessed the incident or captured footage on a dash-cam or other device is asked to report online or by calling 101, quoting serial 278 of 13/09.