Police are appealing for two motorists who may have witnessed a domestic incident in South Hiendley to come forward.
A female motorist got out of her car and waved down traffic on Brierley Road at around 11am on Monday morning.
The two motorists, believed to be a man and woman from separate vehicles, stopped to assist.
Police want them to come forward and help with their enquiries.
Detective Constable Clare Barran of Wakefield District Safeguarding Team said: “Two passing motorists stopped to help during the incident, and I would ask them to come forward.
“Equally, anyone who believes they may have witnessed the incident, or who has any information should speak to police. Enquiries are ongoing.”
A 27-year-old man has been arrested on suspicion of harassment and is on police bail.
Anyone with information is asked to contact DC Barran via 101 quoting crime reference 13150312355.