Carnival Jubilee passengers disembarking at Galveston's Terminal 25 Saturday morning found themselves in the middle of and, in a few cases, participating in "absolute mayhem" and "pure chaos"—a knock-down,

Video footage appears to show a group of travelers pushing past barriers and punching at least one other guest.

Carnival Cruise Line said in a statement, "The incident occurred in the debarkation area under the authority of U.S. Customs and Border (Protection). This matter has been turned over to law enforcement.