South West Trains say a problem at a level crossing between Barnes and Richmond means all lines will be blocked and services disrupted until around 6.30pm.
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Muhiddin Mire cut the throat of a stranger at an east London tube station "in revenge for the fight against IS", a court heard.
Rory Geoghegan claimed the lack of support he received from the Met shows how frontline officers are being taken for granted.
A registered sex offender who admitted grooming a 14-year-old girl and then sexually assaulting her has been jailed for over four years.