Authorities are actively searching for a suspect responsible for intentionally disrupting the oxygen supply at UCHealth University of Colorado Hospital, the largest hospital in the state. The incident occurred on September 3 in Aurora, Colorado, when an individual gained unauthorized access to the facility's oxygen storage area, interfering with the critical infrastructure. The 831-bed hospital, which treats hundreds of thousands of patients annually, relies heavily on a continuous oxygen supply for emergency care, surgery, anesthesia, and life support systems, including ventilators for neonatal intensive care and heart transplants. Upon detecting the disruption, nursing and facilities teams at the hospital immediately activated emergency protocols. Staff quickly moved affected patients to backup oxygen supplies, and the facilities team switched the entire hospital to a secondary oxygen source. The issue was resolved shortly after the incident, and hospital officials confirmed that no patients were harmed during the interruption. CU Police, working in partnership with other law enforcement agencies, have identified a suspect and are currently working to make an arrest. Dan Weaver, UCHealth’s vice president of communications, emphasized the severity of the offense, noting that penalties for tampering with such critical infrastructure can be very serious. Kelli Christensen, the hospital’s public and media relations director, stated that staff responded swiftly to ensure patient safety. The incident has prompted the hospital to step up protections around its critical infrastructure. A spokesperson for the state’s hospital association noted that they had not heard of a similar event occurring before. Investigators are urging anyone with information regarding the suspect's identity or location to contact the appropriate law enforcement agencies. The suspect remains at large as the investigation continues.