Debris is scattered about inside the customs plaza at the Rainbow Bridge border crossing, Wednesday, Nov. 22, 2023, in Niagara Falls, N.Y. The border crossing between the U.S. and Canada has been closed after a vehicle exploded at a checkpoint on a bridge near Niagara Falls. The FBI's field office in Buffalo said in a statement that it was investigating the explosion on the Rainbow Bridge, which connects the two countries across the Niagara River. (Derek Gee/The Buffalo News via AP)