Before the lights, there is always a voice. “From Met Control, units on the I-India Grade now…” and the borough inhales as one. The Metropolitan Police grades calls for service in three ways. I‑grade (Immediate, 15 mins), S‑grade (Significant, 1 hour), E‑grade (Extended, 24 hours). Each grade has its own risk but also a reputation amongst officers. Thanks for reading Terra Nullius, by Ned Donovan! Subscribe for free to receive new posts and support my work.