Grey county OPP are investigating a report of a man with a gun in the Desboro area of Chatsworth township.
The report came in just before 3 o'clock today (Dec. 7th) that an armed man was on Side road 5 in Sullivan township.
It led to a lock down at Sullivan Community school for about 90 minutes, before police allowed parents to come and get their kids around 4:40pm.
All students and teachers were gone from the school by about 6:10pm.
Members of the South Bruce OPP, Bruce Peninsula OPP and the West Region OPP Emergency Response Team (ERT) are assisting the Grey County OPP with this investigation.
The OPP is searching for a suspect who is considered armed and dangerous in relation to this active investigation.
OPP remind all members of the public to be aware of their personal safety at all times.
The OPP's website, www.opp.ca, contains a number of useful resources, tips and links.
South Bruce OPP ask anyone with information about this, to call them or crime stoppers.