Katie Hopkins has defended her reaction to the incident outside the Natural History Museum over the weekend.
Police were summoned after a car struck pedestrians in South Kensington, injuring 11 people and prompted a major alert.
Metropolitan Police later said the incident was not terror-related.
During the incident, the Mail Online columnist had accused the BBC of spreading "state propaganda" despite the incident not having been confirmed as terrorism.
The claims prompted a widespread backlash against her but Hopkins stood by them at a media event on Monday (October 10), arguing there wasn't any such thing as truth and she "didn't buy" the incident being a road traffic incident.
She said she "stood by the idea" of the incident being a terror attack.
Hopkins left her role as a radio presenter after calling for a "final solution" in the wake of the Manchester Arena bombing.