There is no absolute immunity for police officers from negligence liability in Australia. Whether police owe a duty of care to an individual depends on the particular facts and is generally inappropriate to determine at the summary dismissal stage. Allegations that police communicated to a plaintiff that a warrant had issued and a person would be detained are capable of supporting a case based on assumption of responsibility and reliance at trial.
The full text is available to signed-in members, including the 42 later cases that cite this judgment.
9 of the 42 citing cases carry a classified treatment. How each court treated it is available to signed-in members.