What is required from a vehicle driver that passes the scene of a road accident with casualties?

If he was not involved in the accident, he should continue driving without stopping by.

He should stop at the side of the road and mark the site of the accident with a warning triangle to be seen to a distance of fifty meters.

He should stop at the site of the accident, provide casualties with first-aid, to the best of his ability and training, and call the rescue forces.

He should stop at the side of the road, help to clear the vehicles away from the road and allow the traffic to flow freely and uninterruptedly. .