Doctors have begun operating on Argentina president Cristina Fernandez de Kirchner’s skull to siphon out blood that is pressuring her brain two months after she suffered an unexplained head injury.

Riot police and protesters are squaring off outside the British Embassy in Buenos Aires amid an escalating diplomatic dispute over the Falkland Islands.

Argentina’s president was recovering tonight after an operation to remove her cancerous thyroid gland.

President Cristina Fernandez was re-elected in a landslide, winning with the widest victory margin in Argentina’s history after her government spread the wealth of a booming economy.