The UN has called for the immediate release of Mahmoud Hussein - an Al Jazeera journalist who has been detained by Egypt without charge for over 400 days.

"We wrote letters as soon as he was detained to the Egyptian President Abdel Fattah el-Sisi and to the Egyptian embassy in Brussels because it is close to the IFJ office," explains Philippe Leruth, president of the International Federation of Journalists.

"We denounced the fact that he was jailed and asked why precisely our colleague was detained. We received no answer from the Egyptian authorities. We also wrote letters to the United Nations secretary-general, who was Mr Ban Ki Moon by that time, to denounce the fact and the United Nations worry about the press freedom situation in Egypt in general."

Mahmoud Hussein remains in Egyptian jail without due process. There have been many expressions of solidarity with Hussein, under the same banner as the campaign to free Abdullah Elshamy, Baher Mohammed, Mohammed Fahmy and Peter Greste: Journalism Is Not A Crime.

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