Frankston Crime Investigation Unit detectives are appealing for witnesses following an affray in Frankston this afternoon.
Investigators have been told a woman attended a café on Beach Street just before 12.20pm and was spoken to by another woman at the café as she was not wearing a mask.
The incident escalated into an assault and police were called.
On police arrival the woman refused to state her name and assaulted a police officer.
The 58-year-old Frankston woman was arrested at the scene and currently remains in custody assisting police with their enquiries.
Investigators believe there were a large number of people who witnessed and filmed the incident, as well as the lead up to the incident, and are appealing for them to come forward.
The investigation into the incident remains ongoing, and police urge anyone with information to contact Frankston Police Station on 9784 5555 or Crime Stoppers on 1800 333 000 or log onto www.crimestoppersvic.com.au.