Police seek witnesses following alleged sexual assault in Taita, north of Lower Hutt

This bike belongs to the alleged attacker, police say. Photo / Supplied

Police want to hear from potential witnesses following an alleged sexual assault in Taita, north of Lower Hutt, early on Tuesday morning.

Lower Hutt police are investigating the attack alleged to have occurred about 4am on the footpath outside the Taita shops on High St, a police spokeswoman said.

"The victim has now been interviewed. We continue to make inquiries and have a number of positive leads."

The alleged offender is described as a very-dark-skinned male with short dreadlocks. He is described as being of average height and build and appeared to be aged in his teens or 20s.

A Nike bag police say belonged to the alleged attacker. Photo / Supplied

A blue Avanti mountain bike and black Nike back-pack used by the offender may also be recognised by the public.

Patrols have been increased in the area, but police are also urging people to come forward with information.

"If anyone has seen someone who fits this description or recognises the bike or back-pack would they please come forward."

Information can be passed on by calling the Lower Hutt CIB on (04) 560 2600 or anonymously via Crimestoppers on 0800 555 111.