In a condolence message, he said that with the death of Fidel Castro not only people of Cuba but progressives and revolutionaries around the world lost a leader who was a source of inspiration for them.
Pakistan and Cuba established very strong and friendly relations during the government of Shaheed Zulfikar Ali Bhutto, he added.
PPP stood with the people of Cuba in this mourning time, Asif Ali Zardari said.