be on the scene

US /biː ɑːn ðə siːn/
UK /biː ɑːn ðə siːn/
"be on the scene" picture
1.

ter plaatse, aanwezig

to be present at a place where an event is happening

:
Police were quickly on the scene after the accident.
De politie was snel ter plaatse na het ongeluk.
When I arrived, the paramedics were already on the scene.
Toen ik aankwam, waren de paramedici al ter plaatse.