Morning mail: Abbott in Taiwan, Facebook ‘harms children’, Australia’s surfing history

Wednesday: Former PM lands on island as tensions with China escalate. Plus: filming to begin on first movie shot in space

Good morning. Tensions between Taiwan and China are rising as Tony Abbott arrives in the region. The NSW Nationals will vote for a new leader to replace John Barilaro today. And we have more revelations from the Pandora papers.

The former prime minister has landed in Taiwan to speak at a regional forum. Taiwan has said Beijing sent nearly 150 fighter jets and bombers into its air defence zone over the first four days of October. President Tsai Ing-wen said Taiwan will do whatever it takes to defend itself" and warned of catastrophic consequences" for the region should it fall. Abbott will deliver a keynote speech at the Yushan forum - an Asian regional dialogue conference - and will meet will meet Tsai and the foreign minister, Joseph Wu.