Anthony Albanese says Opposition Leader Peter Dutton has to explain the awarding of a detention centre contract to a company that was under investigation for bribery during Mr Dutton’s tenure as home affairs minister.

An investigative series by The Sydney Morning Herald, The Age and 60 Minutes has uncovered a number of claims regarding the Home Affairs Department and its contracts with detention providers in Nauru and Papua New Guinea, where asylum seekers were housed under a revived Pacific solution.