Who's coordinating the police and ambulance crews at the crash?

How to say “Who's coordinating the police and ambulance crews at the crash?” in Japanese

In Japanese

事故現場(じこげんば)で警察(けいさつ)と救急隊(きゅうきゅうたい)の動(うご)きを調整(ちょうせい)してるのは誰(だれ)？

Jiko genba de keisatsu to kyūkyūtai no ugoki o chōsei shiteru no wa dare?

Who's coordinating the police and ambulance crews at the crash? in other languages