A policeman on duty is seen in the street in Toronto, Canada, on Nov. 22, 2023. Toronto Police announced increasing patrols of uniformed officers throughout the city due to a vehicle explosion Wednesday at a border crossing between the United States and Canada in Niagara Falls. (Photo by Zou Zheng/Xinhua)
A policeman on duty is seen in the street in Toronto, Canada, on Nov. 22, 2023. Toronto Police announced increasing patrols of uniformed officers throughout the city due to a vehicle explosion Wednesday at a border crossing between the United States and Canada in Niagara Falls. (Photo by Zou Zheng/Xinhua)
A policeman on duty is seen in the street in Toronto, Canada, on Nov. 22, 2023. Toronto Police announced increasing patrols of uniformed officers throughout the city due to a vehicle explosion Wednesday at a border crossing between the United States and Canada in Niagara Falls. (Photo by Zou Zheng/Xinhua)