Farage: Catalan crisis makes Brexit look like a picnic
All were women and girls who were targeted in public places while they were walking down the street during morning or afternoon rush hour.
Officers believe the assaults could be linked and may have been committed by the same man, described as white, in his 40s and with blue eyes.
Footage has been released showing a man running along a road who police want to speak to in connection with their investigation.
Police have released CCTV of a potential suspect in a string of sex attacks
“The description given of the attacker is of a middle-aged white man with blue eyes.
“It is the same method of offending in each case and none of the offences took place at the weekend.”
Most of the victims were teenage girls, many of who were targeted while in their school uniforms, he added.
Footage shows a man running along a road who police want to speak to
“There might be other victims and I would urge them to come forward,” Mr Furphy added.
“The more people who come forward, the more information we have and the better chance we have of finding the offender.”