Some suggested the lights might have been part of rehearsals for Malaysia’s National Day celebrations.
The authorities might take "further steps" on the matter, Law Minister Edwin Tong reportedly said.
151 public entertainment outlets such as pubs, bars and KTV lounges were targeted.
Dashcam footage showed one car T-boning the other, having apparently ran through a red light.
The man was reported to be loitering in the vicinity of Yishun Ring Road.
Mr Ong said that a vape pod contained the equivalent nicotine of 4 packets of cigarettes.
According to experts, forceps are sometimes needed to prevent oxygen deprivation during difficult or prolonged deliveries.
Both said they fell in love with each other at first sight.
The police arrested both attackers within five hours of the report.
One netizen felt that both parties were at fault.