A man's been arrested after two people were found dead in the state's south east at Millicent.
Police were called to a house just after 10 am this morning and found two people dead inside.
A man who reported the deaths at Berri Police Station has been arrested and is being quizzed by police.
Major Crime detectives and forensic investigators are attending the address at Millicent.
It's understood he's known to the two victims.
There'll be an update later today.