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Police said the investigation is “very fluid” and were unable to provide any information on persons of interests or potential suspects. No information was provided in regards to the sophistication of the device, but he noted “IED” is a technical term for any explosive device made of readily available material.

“I want to make it abundantly clear, at this time, we do not believe the incident is linked to any type of international terrorist activity,” Huisman told reporters.

“We know that this incident has caused a heightened sense of concern among members of the public and staff at these facilities. However, we have stepped-up a police presence and security has also been increased at our courthouses.”

The investigation is “high priority” for the service, said Huisman, noting detectives are “aggressively investigating” with post-blast explosive technicians, arson investigators, a bomb detection-trained canine team and general investigators all contributing.

Police are also canvasing businesses and buildings in the area “door-to-door” looking for video footage of the incident.

“We want to encourage the public to be aware, but not be afraid,” Huisman said.

Police are not ruling out a connection between the explosion and an incident in February, whereunassembled explosive materials were found in a backpack in the 200 block of 19th Street East. Both incidents are still under investigation.

The blast was witnessed by people in downtown Saskatoon and at least one business was secured by police.