"We remind all parties of the bedrock democratic principle that states' armed forces should not intervene in domestic politics."

The Kremlin said Putin spoke in favor of maintaining order and peace in Armenia, resolving the situation within the law.

The Russian Defense Ministry was "surprised and bewildered" by Armenian Prime Minister Nikol Pashinyan's claims.

The U.S. encouraged all parties to exercise calm and restraint and to de-escalate tensions peacefully, without violence.

The rally-goers were later informed that tents and heaters will be installed soon to make the street more accommodating.

Any such attempt threatens the stability and security of Armenia, the Defense Ministry said pledging action if necessary.

Armenia's Prime Minister Nikol Pashinyan brought supporters to the streets after the military urged him to resign.

The National Security Service said any provocation could be considered as aimed at weakening the state.

President Armen Sarkissian urged common sense among the public, the authorities, the opposition and law enforcement.