The Chancellor's decision to rule out sharing currency with an independent Scotland will prove to be a "monumental error", First Minister Alex Salmond will declare.
Mr Salmond is expected to say in a lecture tonight: "In the last three weeks people in Scotland have seen an array of approaches from the UK Government - what they apparently call their 'Dambusters' strategy.
"We were love-bombed from a distance by David Cameron, then dive-bombed at close range by George Osborne.
"Scotland will not be a foreign country after independence, any more than Ireland, Northern Ireland, England or Wales could ever be foreign countries to Scotland".
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Nearly 38,000 runners will hope to complete Sunday's London Marathon making it the biggest event in its 35-year history.
Rain across central Britain with longer, intense downpours with thunder in places this evening. A lucky few will stay sunny and dry.
Planning on going to the London Marathon tomorrow? Read our handy guide first!