THE senior police officer overseeing renewed investigations into schoolgirl Rachel Antonio's disappearance has been suspended from the Queensland Police Service.

Detective Inspector Nikki Colfs has been suspended.
Detective Inspector Nikki Colfs has been suspended. Wesley Monts

Mackay-based Detective Inspector Nikki Colfs is understood to have been suspended over issues associated with promotional panels, in a shock for officers in the Central Police Region.

PODCAST: Searching for Rachel Antonio

It leaves the high-profile Antonio investigation in limbo, with police yet to announce their findings from an exploratory dig at the Bowen dump in July.

Ten officers including scientific experts from Brisbane were involved in the tip examination, ahead of a possible excavation to search for the body of the 16-year-old who vanished from the town 19 years ago.

Read more at the Townsville Bulletin