Red ___ (emergency status) (5)

I believe the answer is:

alert

(Other definitions for alert that I've seen before include "Watchful and bright" , "Prompt" , "Intellectually active" , "Watchfully awake" , "Warning signal" .)

I've seen this clue in the Universal.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.