FILE - In this July 14, 2016 file photo, authorities investigate a truck after it plowed through Bastille Day revelers in the French resort city of Nice, France, killing 86 people. (Sasha Goldsmith via AP, File)

FILE - In this Dec. 20, 2016 file photo the trailer of a truck stands beside destroyed Christmas market huts in Berlin, Germany. (AP Photo/Markus Schreiber, file)

FILE - People fly into the air as a vehicle drives into a group of protesters demonstrating against a white nationalist rally in Charlottesville, Va., Saturday, Aug. 12, 2017. (Ryan M. Kelly/The Daily Progress via AP, File)

FILE - In this Dec. 20, 2016 file photo Christmas decoration sticks in the smashed window of the cabin of a truck which ran into a crowded Christmas market Monday evening killing several people in Berlin, Germany. (AP Photo/Markus Schreiber, file)

FILE - In this Wednesday, March 22, 2017 file photo, police secure the area on the south side of Westminster Bridge close to the Houses of Parliament in London. (AP Photo/Matt Dunham, File)

FILE - In this April 23, 2018, file photo, police stand near a damaged van after a van mounted a sidewalk crashing into pedestrians in Toronto. (Aaron Vincent Elkaim/The Canadian Press via AP, File)

FILE - Injured people are treated in Barcelona, Spain, Thursday, Aug. 17, 2017 after a white van jumped the sidewalk in the historic Las Ramblas district, crashing into a summer crowd of residents and tourists. (AP Photo/Oriol Duran, File)

FILE - Forensic officers move the van at Finsbury Park in north London, where a vehicle struck pedestrians in north London Monday, June 19, 2017. (AP Photo/Frank Augstein, File)