An investigation has been launched after a man exposed himself on a Southampton bus in front of a 17-year-old girl.

Police are searching for a man after an incident on the number 18 Bluestar bus at Ruby Road. 

The force says a 17-year-old girl saw a man indecently exposing himself and performing a sexual act on himself. 

The incident took place on Friday, April 17 at around 12.50pm. 

Now police have released a photo of a man they would like to speak to as part of their investigation. 

READ MORE: Police hunt flasher after incidents at Southampton Common

He is described as being aged between 18 and 21, with black curly hair, and brown eyes, of mixed race and wearing all-black clothing.

Following a number of reports in recent weeks, Chief Inspector Shula Williamson said: "I know people across Southampton will be concerned about a number of recent reports of indecent exposure which have taken place.

"For each report we have received, we have sought to take positive action. This has been done during our initial response, with targeted patrols in the area, and ensuring all available lines of enquiry are followed.

"Everyone deserves to feel safe when they are out in our city, but particularly women and girls who we know are disproportionately affected by this kind of offence.”

A spokesperson added: "We have been carrying out enquiries in connection with this incident and would now like to hear from anyone who recognises this man, who was seen in the area at the time, and may have information to assist our investigation.

"If this is you or you know who he is, please call 101 quoting reference 44240169842.

"Alternatively you can go online and submit information via https://www.hampshire.police.uk/tua/tell-us-about/cor/tell-us-about-existing-case-report/"