There are large protests in three other Canadian cities, but these are all far smaller groups who aren't being coordinated by the Freedom Convoy 2022 organizers who are focused almost exclusively on Ottawa.

No. According to livestreamers who've visited the farms around Ottawa where the trucks are waiting, they have leadership but are keeping a low profile to not give away their plans or locations. No, they aren't being censored, they are refusing to allow anyone to film them until they are ready to act again.