Code Red
"Code Red" signifies a serious emergency, most commonly a fire or potential fire in hospitals and schools, requiring immediate action like evacuation, but it can also mean critical medical states (like cardiac arrest in ambulances) or community alerts for severe threats, varying by organization but always signaling high urgency.
OpenAI declares ‘code red’ as Google catches up in AI race - https://www.theverge.com/news/836212/openai-code-red-chatgpt