'at scene' is correct and can be used in written English.
For example, you could say "The police officers arrived at the scene shortly after the attack."
Female terrorist shot at scene.
All quiet at scene of #SaintDenis siege.
Police officers at scene of attack in armon hanatziv.
Mr. Jaffe's music was better at scene setting than at limning character.
The shootings at "scene one" were disproportional to the threat, Chaskalson submitted.
Ben Brown (@BenBrownBBC) #Simferopol russian troops pushing back press at scene of shooting at Ukrainian base.
To determine predictability of at-scene cardiac arrest from a dispatch determined patient history of seizure or epilepsy ("E" history).
"That means more police officers waiting in A&E, officers conducting at-scene medical assessments beyond their expertise and officers leaving their duties to drive patients to hospital".
One of the most important exclusions from hospital-series case-control studies are at-scene deaths.
Therefore, the causes of death for hospitalised patients may dramatically differ from at-scene deaths.
He developed quite a nice touch at scene-painting and even executed a mural for a classroom.
