The Carnival Corporation said a social engineering attack enabled hackers to access sensitive information, such as passengers' dates of birth and passport numbers.
There was a cultural combination Sunday in the middle of Millennium Park in Chicago. The celebration of Mardi Gras and Carnival attracted many to the park.
Posen police released bodycam video of officers Sunday evening arriving to break up a brawl of mostly teens who came from outside the community, officials said.
A carnival was shut down early in the south suburbs Sunday evening after a "large fight" broke out. Posen's mayor told ABC7 that "civil unrest" broke out around 6 p.m. and the unrest continued for almost two hours.
A north suburban carnival has been canceled after fights broke out at a different carnival in a nearby suburb.
A north suburban carnival will not reopen on Sunday after fights broke out there on Saturday, prompting officials to shut down the event.