U.S. President Donald Trump's National Security Advisor Robert O'Brien has called on all outside parties to refrain from interference in the Nagorno-Karabakh conflict.

"During my call today with Armenian PM Nikol Pashinyan, I reiterated the need for Azerbaijan and Armenia to follow through with their commitments to a ceasefire," O'Brien said Thursday, October 29.

"The people of both countries have suffered badly, with the people of Armenia, who are facing offensive military operations, now taking the brunt of the casualties. Our prayers are with the many Armenians and Azerbaijanis who have been killed or wounded.

"There is no military solution to this conflict. We call on all outside parties to refrain from interference and join the United States in pressing for a return to negotiations facilitated by the Minsk Group Co-Chairs.”

Azerbaijan, with help from Turkey and Syrian and Libyan mercenaries deployed by Ankara, started a war against Karabakh (Artsakh) in the morning of September 27. The Armenian side has reported deaths and injuries both among the civilian population and the military. Foreign and local journalists too have been injured in Azeri shelling of towns and villages.