Police are in talks with the Health and Safety Executive (HSE) following the death of twin brothers at their Fife home.
Rhys and Shaun Scott, who were two years old, drowned in a fish tank at the back of their home in Dalgety Bay on Saturday morning. The HSE has the power to prosecute landlords if they put their tenants in danger.
The twins’ parents Mervyn Scott and Sarah Aitken are believed to have rented the home from a man who used to run a business there, selling ornamental kai carp.
A spokeswoman for HSE said: "We are liaising with the police over the twins' deaths."
A Police Scotland spokesman said: "We are continuing with our enquiries into the tragic deaths of Rhys and Shaun Scott at an address in Dalgety Bay on Saturday March 12.
"In this instance, we have consulted with the Health and Safety Executive as part of our ongoing investigation.We are continuing to support the family with a specialist family liaison officer and enquiries are ongoing."
Footage emerged on Monday of the fish tank in the home where the twins drowned. It is featured online in a promotional video for the carp fish company which used to be run from the property.
The two minute video includes footage of the tank filled with fish. STV News has decided not to show the footage in full, however we have included two images from the video showing the tank.
In a tribute issued by Police Scotland, the family described the children as "miracle babies" and said they were devastated by the "freak accident".
Emergency services were called to the Dalgety Bay house at around 8.20am on Saturday.
The boys were taken to Victoria Hospital, where they later died.