Across Northern English cities and rural regions the Leave campaign out polled their pro-EU Remain campaign rivals.
Scotland and Northern Ireland voted to stay in the organization but England and Wales swung to Brexit.
Large cities such as Birmingham, Sunderland, Coventry and Cardiff all voted to leave the European Union.
This gave the pro-Brexit campaign a narrow lead despite losing other major population centres such as Glasgow, inner London, Manchester and Leeds.
After the referendum results became clear international money markets began selling the pound sterling causing the currency to devalue.
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