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Image copyright Fiona Gillies Image caption Southern warned of disruption in the area until 18:00 BST
A hole has opened under a railway line causing major travel disruption for a second time in just weeks.
Lines running into London Bridge station were shut "as a safety measure" and services cancelled, following the discovery of the 50cm-wide hole at Forest Hill in the south-east London.
It comes after 13ft-deep hole opened in the same area on 18 July, also forcing lines into London Bridge to be shut.
Rail operator Southern warned of disruption until 18:00 BST.
Image copyright Twitter Image copyright Network Rail Image caption A 13ft-deep hole causing widespread disruption in JulyA Network Rail spokesman said: "Our engineers have been monitoring the site of the previous hole under the railway at Forest Hill since that incident occurred in mid-July.
"We spotted a small hole at 3am today and closed the two lines above it to trains.
"This new hole is about just over half a metre deep and we are working to open it out to investigate the scale of repairs we need to make today.
"Our aim is to get the railway open to trains today, however we won"t know for certain until we have completed our investigations."
Southern Services running towards London Bridge are unable to stop at Norwood Junction, Anerley, Penge West, Sydenham, Forest Hill, Honor Oak Park, Brockley, and New Cross Gate. London Overground services were also affected between New Cross Gate and Crystal Palace/West Croydon.
Thameslink trains from Brighton into London were only able to run as far as Gatwick Airport.
Source: http://www.bbc.co.uk/news/uk-england-london-36973256
