The girl had stayed overnight at the man's place for fear of being scolded by her mother.
Police are trying to trace the mother.
DPM replied "patience," when asked if he would be contesting in East Coast GRC.
The influencer later deleted the video and posted an apology.
All eight individuals involved in the assault have been arrested.
Manpower Minister Tan See Leng was deployed to Chua Chu Kang GRC to fill the void left by DPM Gan.
She attributed her survival to her calmness and fighting spirit.
The victims' family turned down a S$144,000 settlement and is calling for the death penalty.
Poi Ching School is also the Nomination Centre for Tampines GRC, as well as Hougang and Tampines Changkat SMC.
The man had allegedly taken drugs, becoming paranoid and aggressive.