11:46 a.m. update:
Police now say it is possible the male had a stick in his hands. More on this story here
10:42 a.m. update:
Police now say evidence points "to the male not having a gun."
9:59 a.m. original report:
Guelph Police have advised us that officers are in the area of Gordon and Arkell for a male possibly carrying a gun.
GuelphToday will provide updates as they are available.