Which of the following must a driver involved in a traffic crash do first if there are victims as a result of the event?

• 1Take possible measures to provide pre-medical aid to the victims, call an emergency (ambulance) medical team, and if it is impossible to take the said measures, seek help from those present and send the victims to a healthcare facility.
• 2Report the traffic crash to a body or authorized unit of the National Police, write down the surnames and addresses of the witnesses, and wait for the police to arrive.
• 3Take all possible measures to preserve the traces of the incident, fence them off, and organize a detour around the scene of the incident.