Mr Changchun tells PM the case of Neil Heywood is being "examined by the judiciary in full accordance with the rule of law".
China's ruling Communist Party has said that it is committed to probing a political scandal, surrounding the death of Neil Heywood.
The death of British businessman Neil Heywood has fuelled a frenzied rumour mill. Time to separate fact from fiction.
The Prime Minister is expected to address the sensitive issue of the death of Neil Heywood with the man known as China's propaganda chief.