They panicked. Emergency officials said the death toll might be higher. Prime Minister Evans Paul declared three official days of mourning for the Caribbean country and announced a state funeral and vigil on Saturday for the victims. Doctors at General Hospital revealed that most of those killed appeared to have been trampled to death as the crowd surged away from the Carnival float. Haitian Carnival , held in Port-au-Prince, is a celebration held over several weeks each year leading up to Mardi Gras. This is one of the largest Mardi Gras carnivals in the Caribbean and North America. The carnival is celebrated with music, bands and parades. Every year, tourists travel to Haiti’s carnival to enjoy it.