Finland's Prime Minister Sanna Marin has used a speech in Sydney to warn that democracies must build "common lifelines" to wean themselves off critical technologies and energy from authoritarian states like Russia and China. Key points: Sanna Marin has been a vocal critic of Russia's invasion of Ukraine, rallying Western countries to enact sanctions Sanna Marin has been a vocal critic of Russia's invasion of Ukraine, rallying Western countries to enact sanctions Ms Marin says the war has exposed Europe's reliance on Russian gas and other technologies Ms Marin says the war has exposed Europe's reliance on Russian gas and...