Thames Valley Police is appealing for witnesses or information following a common assault in Fishermead, Milton Keynes on Tuesday (18/4).
At approximately 8.50am, a verbal altercation took place between a group of adults outside Jubilee Primary School on Fishermead Blvd.
A woman in her thirties was then spat at by a man. She was not injured.
The offender is described as a black man, around 5ft 8ins, of a medium build, with shaven black hair. He was believed to be in his late forties.
It's believed that the altercation was seen by other school parents and investigating officers would like to speak to anyone who witnessed the incident. If you have any information, please call PC Jade Trower from Milton Keynes Police Station on 101, quoting reference 43170111124.
Notes to editors: A 48-year-old man from Milton Keynes was arrested on suspicion of common assault. He has been released under investigation.
If you have any information relating to this case, please call 101 or contact Crimestoppers anonymously.