Commuters are being warned to expect some delays to rail services today as the network continues to recover from one of the biggest storms of the past decade.
Engineers have been working through the night to ensure that lines are clear but Network Rail says there may still be some delays to early morning services.
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The venue says it is in contact with promoters about a final decision, following the terror attack at the singer's concert on Monday.
Soldiers will replace armed police at many sites after security experts warned the Government that another terrorist attack may be imminent.
The threat level has been raised to critical by MI5's Counter-Terrorism Analysis Centre.