The author of a blog took and posted these pictures after she witnessed the incident for the second time.
An internet user chanced upon them and sent them to Stomp.
As in many recent reports, this couple were also clad in their school uniform.
The netizen who spotted the photos said:
"I got these pictures from someone's blog that I happened to browse through.
"This is a multi-storey carpark somewhere in the Woodlands area.
"The blogger apparently took the pictures herself after witnessing it for the second time.
"Dont they know that people are watching them?"
The more explicit pictures are not used.
