A suspected terrorist attack occurred at the U.S.-Canada border Wednesday.

Surveillance video showed the moment the car exploded on Rainbow Bridge connecting the two countries:

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Other video showed a fire in the roadway near the security checkpoint:

News 4 Buffalo reported the border is closed after what was called a “vehicle explosion”:

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The FBI said its Buffalo Field Office is “investigating a vehicle explosion at the Rainbow Bridge, a border crossing between the U.S. and Canada in Niagara Falls. The FBI is coordinating with our local, state, and federal law enforcement partners in this investigation. As this situation is very fluid, that’s all we can say at this time.”

There was speculation the vehicle used was a Bentley or Tesla: