Paris - UNESCO''s Director-general Irina Bokova today signed the book of condolences opened at the Cuban embassy in France on the occasion of the death of the historic leader of the Revolution, Fidel Castro.

Visibly moved, Bokova paid tribute to Fidel and wrote in Spanish: 'My deepest condolences for the passing of Commander Fidel Castro Ruz, who for more than half a century was a tireless advocate of the disinherited and a promoter of education as a key factor in the cultural, social and human growth of peoples'

After learning about Fidel's death, Bokova sent a letter to Cuban President Raúl Castro in which she referred to the revolutionary leader as a symbol of solidarity at an international level.

'Thanks to the efforts of Fidel Castro Ruz, Cuba is a world example in terms of solidarity and cooperation,' she stressed.

'I want to express to you, on behalf of UNESCO and myself, our deep sadness and deepest condolences,' the letter added.

The Cuban embassy in France today opened a book of condolences that will be available for several days for those who wish to express their thoughts.

Throughout the day hundreds of people have come to the embassy to write messages, including ambassadors, intellectuals, members of solidarity groups and numerous citizens.