A woman was attacked by a man as she got off a bus, Sussex Police said.
The force said: “Did you witness a woman being assaulted by a man as she exited a bus in Newhaven?
“On Thursday 30 January at around 5.20pm, it was reported that an argument took place between a man and a woman on a 12a bus as it travelled towards Brighton.
“The driver pulled into The Fairway bus stop in Newhaven where the woman exited and was seen to be followed and assaulted by a man in his fifties with long white hair and a white beard.
“Police have since arrested a 50-year-old man, from St Leonards, in connection with the investigation and he has been bailed while inquiries continue.
“It’s reported that a multiple members of the public intervened or witnessed the incident.
“Attempts are ongoing to identify these witnesses and we are appealing to anyone with information to come forward and make a report.
“Reports can be made online or by calling 101, quoting reference 1116 of 30/01.”