Russia urged the sides to de-escalate tensions, but its influence as a power broker in the region has waned since its invasion of Ukraine.

Baku and Yerevan had traded accusations of initiating the violence which saw 105 Armenian troops and 71 Azerbaijani servicemen killed.

Russia had earlier announced that it had negotiated a ceasefire following clashes that killed at least 100 troops on both sides.

Clashes between the arch-foes sparked fears of another flare-up over the Nagorno-Karabakh region.

Nikol Pashinyan called Saturday for greater military cooperation with Russia, a day after Azerbaijani troops began moving into territory in Nagorno-Karabakh...

Two crew members were killed when the Mi-24 helicopter was hit by a man-portable air defense system.

Armenia also said it is not planning to ask for intervention by a Russia-led military alliance.

Direct Turkish military action would mark a major escalation after days of fighting between Armenian and Azerbaijani forces.

The Kremlin said that the current priority was to "stop the hostilities, not to deal with who is right and who is wrong."