Armenian Foreign Minister Eduard Nalbandyan is currently in Moscow with a delegation of lawmakers.

"Armenia’s foreign minister has already arrived in the Russian capital, he is in Moscow together with a delegation of parliamentarians," one of the sources said. "Talks with the Russian leadership are expected."

According to another source, "the talks and meetings at the high-level will be held behind closed doors." The focus of attention will be the "developments in the republic."

The delegation arrived in Moscow amid political instability in Armenia.

On Monday, Serzh Sargsyan, formerly the president who was elected as the prime minister by the parliament on April 17, resigned amid mass protests that broke out across the country on April 13.

Under Armenia’s constitution, within seven days after the premier’s resignation the parliamentary factions have the right to nominate candidates for the prime minister, and after that the elections of the head of cabinet are held by an open vote.

The opposition demands that "people’s candidate" Nikol Pashinyan be elected as the head of government. The ruling Republican Party agreed to hold early parliamentary elections, but said the opposition’s demand was unconstitutional.

Armenia’s new prime minister will be elected by the parliament on May 1.

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Armenian Foreign Minister Edward Nalbandian met with Russian Foreign Minister Sergey Lavrov in Moscow.

The Armenian Foreign Ministry said that the main topic of the meeting was Nagorno-Karabakh.