be on the scene

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

en la escena, presente

to be present at a place where an event is happening

:
Police were quickly on the scene after the accident.
La policía llegó rápidamente a la escena después del accidente.
When I arrived, the paramedics were already on the scene.
Cuando llegué, los paramédicos ya estaban en la escena.