Armenia could face a war with Azerbaijan if it does not compromise with Baku and return four Azerbaijani villages it has held since the early 1990s, Prime Minister Nikol Pashinyan said in a video published on Tuesday.

Armenia’s PM says he must return disputed areas to Azerbaijan or face war

Residents of Nagorno-Karabakh have said that Azerbaijani blockade of the breakaway region is choking supplies of food, medicines and other essential supplies. The blockade has dragged on in its ninth month.

Nagorno-Karabakh: 'Disastrous' blockade chokes essential supplies

Turkey President Tayyip Erdogan speaking during a military parade in Baku said that "Azerbaijan's struggle carried out in the political and military areas will continue from now on many other fronts," referring to Armenia.

Azerbaijan's struggle will continue on many other fronts, says Erdogan during military parade

The United States announced on Sunday that Armenia and Azerbaijan have given their consent to a "humanitarian ceasefire" over disputed Nagorno-Karabakh region that will take effect on Monday.

US announces new ceasefire between Armenia and Azerbaijan