Read the story here: http://www.api.sg/forum/viewtopic.php?t=1598
Police found the skeleton of an old woman in a toilet bowl. She had died probably a year ago and no one noticed. She had lived there with her mother and sister, both died many years ago.
But when they were alive- the two sisters could be seen at night, one playing with her guitar, whilst the other stared into the night sky.
The two sisters' names are Pearl Tan and Ruby Tan- no one is sure who the skeleton belongs to and DNA test have proved inconclusive.