Australia news live: Richard Marles left adrift as UK counterpart quits hours before scheduled visit to naval yard

Australia’s defence minister had been due to visit a naval base in Portsmouth with British defence secretary John Healey. Follow today’s news liveGet our breaking news email, free app or daily news podcastTeens who use social media two hours daily at risk of depressive symptoms, study findsTeenagers who spend hours glued to social media are likely to experience poorer mental health and a decline in wellbeing, a decade-long study shows, with young girls most at risk. Continue reading...