The explosion that happened in a coffee shop in Canada's Toronto was a "possible criminal" case, local fire department said.

Daryl Fuglerud, a spokesman with Toronto's fire department, said the investigation has been turned over to police because it was a "possible criminal" case.

One man was killed in the explosion.

Fuglerud told reporters the man who died had burns to his body. But there was not much of a fire, he said.

The blast occurred in the washroom of Tim Hortons, a chain snack food store located near the intersection of Yonge and Bloor Streets,just after 1 p.m.local time, Canadian Television reported.

No other injuries were reported.

Police have cordoned off approximately one city block and evacuated the area as a precaution.

Emergency officials and an explosives disposal unit is now on the scene. Police have began investigation, but the cause of the blast is unknown yet.

Source: Xinhua