In light of the Armenian provocations, Turkey and Azerbaijan will set up a large-scale joint military exercise in Baku.
Moscow has played a significant role in propelling the conflict between the two neighbours by creating autonomous regions in Azerbaijan and drawing controversial borders.
Officials in Baku and Yerevan confirmed shelling with large-calibre weapons and said fighting was ongoing near the border in the Tavush region.
Turkish lawmakers have called on the international community to take the necessary action "towards Armenia's attitude that ignores right and justice."
Azerbaijan and Armenia have shared hostilities over various ethnic, religious and political reasons - but the Nagorno-Karabakh issue is the biggest hurdle that exists between the two.
The fact that the clashes are taking place at an internationally recognised border holds points towards the motives behind Armenia's aggression.
Clashes in the Tavush region of Azerbaijan represent the biggest flare up between the two former Soviet Republics since 2016.
At least 16 people from both sides were killed in three days of fighting that started on Sunday between the ex-Soviet republics, which have been locked for decades in a conflict over Azerbaijan's separatist region of Nagorno-Karabakh.
The two neighbours in the South Caucasus are locked in conflict over Nagorno-Karabakh, a region of Azerbaijan under the control of ethnic Armenian forces backed by Armenia.
Azerbaijan's Defence Ministry has said two of its troops have been killed and five wounded in Armenia's "offensive" from its northern Tavush region.
Azerbaijani parliament has already approved agreement for purchase of Turkish-made combat drones.
Angry locals stage protests after three rebels were killed in disputed region's main Srinagar city. Separately, a 13-year-old girl was killed in Pakistan-administered Kashmir by Indian fire along de facto border.
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