The United States Embassy in Cuba issued an emergency alert at approximately 11:45 PM UTC on February 3, 2026, urging US citizens to prepare for a total collapse by stocking up on food, acquiring flashlights and batteries, maintaining an emergency contact, and readying for massive blackouts. The alert was posted in Havana. The embassy's urgent message, shared via social media, warns of imminent disruptions including widespread power outages, according to a post by Agus Antonetti citing the embassy's statement during the reporting window from 8:45 PM to 11:45 PM UTC on February 3, 2026. No additional details on the causes of the anticipated collapse or specific timelines beyond immediate preparation were provided in the alert, as reported in the X post.