SINGAPORE - The maid who worked for an elderly couple who were murdered in their Bedok flat on Wednesday (June 21) is believed to have left Singapore for an Indonesian island.

The Straits Times understands that she is a suspect in the double murder case, where a 79-year-old man and his 78-year-old wife were found motionless in their flat and later pronounced dead.

The maid, who is believed to be from Indonesia, was said to have lived with the couple for about a month.

She is believed to have gone to Harbourfront Centre on Wednesday and bought a ticket for the first available boat out, Shin Min Daily News reported on Thursday.

According to information on the Singapore Cruise website, ferries were available to two Indonesian destinations: Batam or Tanjung Balai on Great Karimun Island.

Related Story Elderly couple found killed in Bedok Reservoir flat

The two Singaporeans, 79-year-old Chia Ngim Fong, and his wife Chin Sek Fah, 78, were found lying motionless in two different rooms at Block 717 Bedok Reservoir Road on Wednesday afternoon.

They were pronounced dead at 3.57pm by paramedics, and at least one of them had injuries on the neck.

Police later seized three knives from the rubbish chute.

Police investigations are ongoing.