A cybersecurity issue at a hospital network in New Mexico forced the entity to send ambulances to other hospitals, leaving the state without an emergency department with the ability to treat patients dealing with severe injuries.

The problem occurred Monday with the University of New Mexico Health System telling The Associated Press via a statement that its hospitals and clinics began resuming operations in phases later in the day.

RELATED: Canadian ransomware negotiator arrested on federal charges amid FBI hacking probe Several UNM Health System workers told the AP they heard messages on their computers while working Monday morning that claimed to have stolen student and employee data and patient information.