The Armenian defence ministry declared a no-fly zone in Armenia and Nagorno-Karabakh, except for military aircraft, Russia's Interfax news agency reported on Thursday.

Thousands of protesters on Wednesday gathered in Armenia's capital, Yerevan, demanding Prime Minister Nikol Pashinyan step down over a ceasefire that secured territorial advances for Azerbaijan in Nagorno-Karabakh, the subject of six weeks of fighting.

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