Ceremony host Lauren Laverne introduced Blake as James Blunt at the Roundhouse last night, but later apologised on twitter for her slip-up.
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The most hotly-tipped date is July 13, following the Nato summit which the president is due to attend in Brussels on the previous days.
Abbas Edalat, a professor in computer science and maths at Imperial College London, has reportedly been held in custody since April 15.
There's been a sharp rise too in rape, burglary and robbery have during what police "busy and challenging time".