England and Wales endured the wettest winter in almost 250 years, according to new analysis from the Met Office.
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Officials from the train drivers' union Aslef will meet managers from Southern Railway, whilst the RMT will meet separately with Acas.
Last week the organisation wrote on Twitter: "If Obama grants Manning clemency Assange will agree to US extradition".
The Foreign Office have changed their advice for UK travellers following political unrest in the west African country.