It is believed that the victim had been assaulted from behind and by someone she knew.
The flames were brought under control and fully extinguished in over three hours.
"This has happened for two consecutive years,” he said.
Several hundred thousand dollars in extra winnings were reportedly paid out to winners who bet on a German Cup match.
He also announced the merger of Workforce Singapore and SkillsFuture Singapore.
"We will ensure that its benefits are shared widely across society," PM Wong said.
The stop was located at a sundial on the infamous island.
There will also be more support for lower-income families with children.
The new CPF scheme targets those who want long-term investments but lack financial expertise.
The remains are believed to belong to a woman, though her identity has not been disclosed.