The car was seen attempting to cut across the chevron markings to get to the slip road.
The policy aims to prevent the exploitation of personal connections to extract intelligence.
The victims realised they were scammed after the woman was "featured as a scammer" in a documentary.
Residents apparently recognised the former Chief of Army during their rounds.
The swastika shocked the surgeon who said he faced various forms of racism throughout his life.
Police found no evidence of foul play.
"The likelihood of a full-blown global trade war is growing," PM Wong warned.
One officer promised to wait for him to became a traffic policeman in the future.
The driver sustained head injuries and was sent to a hospital.
Several cars can be seen manoeuvering around the accident site.