The US Federal Bureau of Investigation (FBI) said on Wednesday it was looking into a vehicle explosion at the Rainbow Bridge border crossing between the United States and Canada, located near Niagara Falls.
The bridge, which spans the Niagara River, remains closed Wednesday following an explosion near a security booth at its US entrance.
Photos and video posted online by eyewitnesses showed thick smoke and flames near the vehicle as well as a damaged security booth.
One eyewitness told…