A woman was at a supermarket on Tweedale Way when she was allegedly spat at by an unknown man in an unprovoked attack.
Police had sought to speak to an individual as they believe he may be able to help with enquiries.
If you have any information, please contact police on 101 or report it via the LiveChat function on the GMP website.
Alternatively, contact Crimestoppers, in confidence, on 0800 555 111.
* UPDATE: A man has now been detained and police enquiries are ongoing.
