Health authorities have enlisted police to help locate the source of a poisoning incident that saw five Logan residents from separate families...

Police are working with health authorities to trace the source of a potential rat poison contamination in Queensland's south-east.

Police are working with health authorities to trace the source of a potential rat poison contamination in Queensland's south-east.

South-east Queensland authorities are continuing to investigate the source of the cluster, with contact tracing underway. ......

South-east Queensland authorities are continuing to investigate the source of the cluster, with contact tracing underway. ......

Health authorities are continuing to search for the source after five people were hospitalised in the Brisbane area in the past week.

Health authorities are continuing to search for the source after five people were hospitalised in the Brisbane area in the past week.

Queensland Health is investigating after five people were hospitalised with symptoms of ingesting rat poison in the South East. ......

Queensland Health is investigating after five people were hospitalised with symptoms of ingesting rat poison in the South East. ......

A public health probe has so far failed to identify the source of the poisonings, which authorities say aren't being treated as suspicious. ......