David Cameron, the Prime Minister of United Kingdom, has announced his his resignation, after UK chose to exit the European Union earlier today. Cameron who actively campaigned for the country to remain with the European Union had a shocking defeat by 52% to 48% despite London, Scotland and Northern Ireland opting to stay in. In his speech he said UK needs fresh leadership to take it in the new direction. UK will be leaving an international alliance it joined more than 40 years ago.