A man is in police custody for allegedly murdering Karlie Pearce-Stevenson.

NSW Police State Crime Command’s Homicide Squad established Strike Force Malaya and South Australia Police’s Major Crime established Task Force Malee to investigate the murders of Karlie Pearce-Stevenson and her daughter, Khandalyce Pearce.

Following extensive investigations, detectives arrested a 41-year-old man at Cessnock Police Station about 4.15pm today (Wednesday 28 October 2015).

He is expected to be charged with Karlie’s murder later tonight.

Inquiries into the murder of Khandalyce are continuing.

No further information is available at this time.