Perverting the course of justice carries a maximum sentence of life imprisonment, although the average sentence is around 10 months.
Both 58-year-old Chris Huhne and economist Vicky Pryce, 60, have been warned to be under no illusion about what punishment they face.
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John Bercow and Karie Murphy also reportedly had their nominations blocked.
Tens of thousands of people have joined demonstrations the length and breadth of the country following the death of a black man in police cu
The Met Office said the UK has recorded its sunniest Spring since records began in 1929.