11:57 a.m. update:
A man remains barricaded in the upper floor of a Yarmouth Street house. Read more here
8:43 a.m. original story:
Several Guelph Police vehicles can be seen on Yarmouth Street, which police have closed this morning for what they have only described as an 'active police investigation'.
Numerous officers are at the scene, including a tactical unit and a canine unit, of a duplex on Yarmouth. Some officers have guns drawn
Guelph Police say a call came in at 5 a.m. It was initially a noise complaint.
