Sweden's foreign ministry said it was taking "strong measures at a high political level" after bookseller Gui Minhai was removed from a Chinese train by police while travelling with Swedish diplomats.
Kirsty Needham is China Correspondent for The Sydney Morning Herald and The Age
Malcolm Turnbull has softened his rhetoric on China, Australia's largest trading partner, as Australia seeks closer defence ties with its strategic rival Japan.
Prime Minister Malcolm Turnbull will attend a meeting of Japan's National Security Council when he arrives in Tokyo on Thursday, Japanese media has reported.
China's trade with Australia grew strongly last year, with the latest data showing a 23 per cent increase.
China has lodged a diplomatic complaint, labelling an attack on its Pacific aid program by Turnbull government minister Concetta Fierravanti-Wells as "full of ignorance and prejudice".
A report by Greenpeace released on Thursday confirmed what Beijing residents have happily noticed - skies are blue again.
Moon Jae-in says there will be no easing of sanctions against North Korea, despite preparations now under way for North Korea's participation in the Winter Olympics.
Beijing:?North Korea has proposed its athletes jointly enter the Olympic stadium with South Korean athletes,?behind a single Korean peninsula flag, in a revival of the peace gesture pioneered at the Sydney 2000 Olympics.
As tensions rise between the Turnbull government and Beijing, South Korea's experience is a cautionary tale.
Beijing: Chinese businesses are concerned that "anti-China"?sentiment in Australia will put?investments at risk?or block?Chinese?energy deals, it has been reported.