If an ambulance is on its way to save someone, and it runs someone over, does it stop to help them?
They call emergency and tell them they were involved in a accident. Another ambulance will come and attend the wounded, the ambulance that ran someone over will be on it's way to their first destination.
They will attend the wounded and call another ambulance to take w their place and start to drive to their first destination.
They will keep driving.
They will tell the operators and send an ambulance.