Huge sinkhole opens up in Japanese city: 'I heard a loud boom'

Street collapses outside main railway station in south-western city of Fukuoka shortly after 5am, causing chaos and evacuations A huge sinkhole has opened in the centre of a Japanese city, prompting concern for commercial buildings perched precariously on its edge. Photographs on social media showed the sinkhole forming in front of the main railway station in the south-western city of Fukuoka shortly after 5am.