China warns Australia over Hong Kong interference

China criticises Australia’s move to suspend its extradition treaty with Hong Kong in response to Beijing's imposition of a controversial national security law. Newshour examines the diplomatic fallout with Geoff Raby, a former Australian ambassador to China.

Also in the programme: Serbia backtracks on lockdown amid protests; and searching for the dead in Ecuador's biggest city Guayaquil.

(Photo: Australian Prime Minister Scott Morrison. Credit: David Gray/Getty Images)