Al Jazeera journalist Peter Greste said it was a relief to be freed from an Egyptian prison, but that he feels "incredible angst" about leaving two colleagues behind in jail.
Al Jazeera Journalist Welcomes Release From Egyptian Jail

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Australian journalist Peter Greste speaks during an interview a day after his release from an Egyptian prison, saying that his freedom was something of a "rebirth" and that exercising, studying and meditating was key to his well-being while incarcerated, in Larnaca, Cyprus, Feb. 2, 2015.

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Juris (left) and Lois Greste, parents of Australian journalist Peter Greste, and his brother Andrew arrive at a press conference in Brisbane, Australia, Feb. 2, 2015.

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Juris Greste, father of Australian journalist Peter Greste, speaks to the media at a press conference in Brisbane, Australia, Feb. 2, 2015.

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Andrew Greste, brother of Australian journalist Peter Greste, speaks to the media at a press conference in Brisbane, Australia, Feb. 2, 2015.