on scene(в разных значениях, но особ. в фразе "скончаться на месте": The CHP says the motorcyclist died on scene and another person was taken to the hospital.4uzhoj)
respond(Police were called to Thomas Jefferson University Hospital just after midnight in response to a report of a shooter on the ninth floor. ... When officers responded, ... they learned the certified nursing assistant (CNA) had been shot by another hospital employee, who left the hospital in a U-Haul van.cnn.com4uzhoj)