Police are appealing for witnesses following an incident on a bus travelling from Norwich to Harleston last week.
A male and a female, aged in their late teens, were waiting for a bus at Norwich Bus Station on Surrey Street at approximately 5.45pm on Wednesday 21 September 2016 when a man became verbally abusive.
The victims then travelled on the 6.10pm Anglia Bus to Harleston where the same man continued to make abusive comments.
Anyone who may have witnessed the incident at the bus station, or anyone who may have been travelling on the 6.10pm bus service from Norwich to Harleston on Wednesday 21 September, is encouraged to contact PC Chris Shelley at Diss Police Station on 101.
Alternatively contact Crimestoppers anonymously on 0800 555111 or via their anonymous online form at http://www.crimestoppers-uk.org.
A 50-year-old man from the Harleston has been arrested in connection with the incident and has since been released on police bail pending further enquiries until Wednesday 2 November 2016.