Where are you? What’s a landmark/cross-street? Provide as much information as possible—the more details, the better!
Is it happening now? How many suspect(s) are there?
Does someone have a weapon?
What kind? Long gun (shotgun)? Or handgun?
Did someone call in a bomb threat?
Show interest and find out what you can.
What is the suspect(s) wearing?
Hat? Coat? What color shoes? Dress?