Teenager in critical condition after likely ‘train surfing’ on Sydney Harbour Bridge, police say
<p>‘You just don’t mess or play with a 400-tonne train’, Sydney Trains says as 17-year-old suffers multiple injuries to head, chest and pelvis</p><ul><li><p>Get our <a href="https://www.theguardian.com/email-newsletters?CMP=cvau_sfl">breaking news email</a>, <a href="https://app.adjust.com/w4u7jx3">free app</a> or <a href="https://www.theguardian.com/austral