University of Colorado Hospital, the largest hospital in Colorado, has announced that it is tightening security measures after an incident where someone intentionally disrupted its main oxygen supply. The hospital is currently investigating the situation, which raised significant concerns about patient safety. Multiple reports have confirmed that the disruption was deliberate, prompting law enforcement to look into the matter more closely. The incident has led to an increased focus on security protocols at the facility to prevent similar occurrences in the future.