A 26-year-old man who was arrested following the death of a woman in Randalstown at the weekend, has been released on bail.
The death of the 21-year-old woman was reported to police on 12 October.
A post-mortem examination has taken place and the PSNI are awaiting the result of toxicology tests.
The man was arrested in relation to the incident on suspicion of being concerned in the supply of class A and class C drugs, preventing a lawful burial and perverting the course of justice.
PSNI Detective Inspector Lenaghan appealed to anyone who noticed suspicious activity in the Main Street area of Randalstown between 9 October and the evening of 12 October to contact police.