Mr Pashinyan announced a Russian-brokered peace agreement with Azerbaijan over the Nagorno-Karabakh region in the early hours of Tuesday, ending weeks of intense fighting that left more than 1,400 dead and displaced tens of thousands.
The truce came after significant advances by Azerbaijani forces that the Nagorno-Karabakh leader said made it impossible for their side to carry on - but angered many Armenians, who stormed government buildings overnight, demanding the Parliament invalidate the agreement.
Crowds waved flags and celebrated in the streets of the Azerbaijani capital, Baku.
'This deal constitutes Armenia's capitulation and puts an end to the years-long occupation, ' president Ilham Aliyev said.
By midday Tuesday local time, Russian peacekeepers were en route to the region, where they would begin a five-year presence, even as questions lingered over whether the mission would be theirs alone.
Azerbaijan has been pushing for Ankara's involvement in a settlement and Turkish President Recep Tayyip Erdogan said Tuesday that his country would jointly supervise the ceasefire with Russian Federation.
S/African musician wins MTV award for best African act
BTS' win once again reiterated the fact that 2020 easily belonged the Korean band, despite the pandemic. BTS beat 5 Seconds of Summer, Blackpink, Chloe x Halle, CNCO and Little Mix for the best group award.
"If the military action had continued with the same intensity, we would have lost all of Nagorno-Karabakh in several days and would have many more casualties", he said. Since 1994, Nagorno-Karabakh has operated as a de facto independent ethnic Armenian state, known as the Republic of Artsakh, with Yerevan's support. "The aircraft are carrying the personnel of the peacekeeping formation, vehicles, armored vehicles and material resources", the ministry said. Pashinyan had said earlier that the deal was "unspeakably painful for me and for our people". Two servicemen were killed, but the Russian Defense Ministry said the aircraft was outside the conflict area.
Rescuers carry the body of a victim following what is said to be recent shelling in a military conflict over the disputed region of Nagorno-Karabakh, in this handout photo released November 6.
At the time, many observers feared the possible eruption of a larger conflict if Russian Federation intervened on its Armenian CSTO military ally's side, which could have in turn prompted a reciprocal Turkish military intervention in Azerbaijan's support. It also has close ties with Azerbaijan and has sold weapons to both countries.
A woman in Moscow stands next to a memorial outside the Armenian embassy for people killed during the military conflict over the breakaway region of Nagorno-Karabakh.
The deal will create the necessary conditions for a long-term and comprehensive solution to the Nagorno-Karabakh crisis on a fair basis in line with the interests of the Armenian and Azerbaijani peoples, he added.
Armenian opposition politicians on Wednesday called the agreement "treacherous" and demanded that Pashinian step down. It sits on a mountaintop overlooking Stepanakert, the city regarded as the enclave's capital by its ethnic Armenian administration.