Singapore Civil Defence Force (SCDF) alerted to the incident at around 9.05 pm on Saturday, March 10 and extinguished the flame by using a compressed air foam and water jet.
Gandhi, on a March 8-10 visit to Singapore and Malaysia as part of his outreach to the Indian diaspora, said the Congress had a clean slate and a new opportunity now.
After police received a complaint from the victim, five girls and two boys, aged between 15 and 19 have come forward to assist the police investigation.