A blackout occurred in Cuba due to the shutdown of one of the country’s largest power plants. As a result, millions of local residents lost electricity, Reuters reports. According to the media outlet, the Antonio Guiteras power plant malfunctioned shortly before noon. As a result, officials canceled essential services. Schools and universities were closed until Sunday. The government also ordered the cancellation of entertainment and cultural events, and nightclubs were shut down. The Cuban government stated that only essential workers from the food industry and healthcare would be required to…