The U.S. State Department issued updated travel advisories for Manzanillo (Level 4: Do Not Travel) and Puerto Chiapas (Level 3: Reconsider Travel) in Mexico due to significant safety concerns, including crime and kidnapping. Cruise lines are adapting their itineraries accordingly, with some suspending port calls to Manzanillo. Travelers are urged to exercise caution and check the latest advisories before booking.