One of the busiest stations in the capital - London Bridge - will close to departing passengers this evening due to a potential clash between commuters and Olympic Equestrian fans.
First Capital Connect passengers are advised to board trains at Blackfriars, others at Charing Cross or Cannon Street.
More top news
Hundreds of people do no know when they will be allowed back home after a 'serious incident' was declared in east London.
A Tube and rail strike planned for Wednesday evening could bring the capital to a standstill causing travel chaos for millions of commuters
The only Muslim survivor of the 7/7 terror attack in London has urged the country to stand together against Islamophobia.