Russia follows the recent developments in Armenia with “concern,” Kremlin spokesman Dmitry Peskov said on Thursday.

Commenting on the military’s demand for the prime minister’s resignation, Peskov said what is happening is “Armenia’s internal affair.”

However, he called on the sides to calm down and show restraint.

“We are following the development of the situation in Armenia with concern. We believe that this is purely an internal affair of Armenia,” Peskov said.

Asked about Armenian Prime Minister Nikol Pashinyan’s criticism of the Russian arms, Peskov said: “Russian arms proved its efficiency many times”.

In a separate statement, the Russian Foreign Ministry called the political crisis in Armenia its “internal affair” as well.

The Armenian military on Thursday called for the resignation of Prime Minister Nikol Pashinyan.

Onik Gasparyan, the chief of General Staff of the Armenian army, along with other senior commanders released a statement calling for Pashinyan to step down.

Pashinyan blasted the military’s call as a coup attempt, and urged his supporters to take to the streets to resist.

Pashinyan later announced the dismissal of the chief of General Staff on Facebook.

The unrest follows the end of a military conflict between Armenia and Azerbaijan last fall widely seen as a victory for the latter.

Relations between the former Soviet republics have been tense since 1991, when the Armenian military occupied Nagorno-Karabakh, also known as Upper Karabakh, a territory recognized as part of Azerbaijan, and seven adjacent regions.

During the six week-conflict, which ended with a Russian-brokered truce, Azerbaijan liberated several strategic cities and nearly 300 of its settlements and villages from Armenian occupation.

Before this, about 20% of Azerbaijan’s territory had been under illegal Armenian occupation for nearly three decades.

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