Turkish Vice President Fuat Oktay on July 13 strongly condemned a deadly weekend attack by Armenian armed forces on Azerbaijani troops.

"The attack by Armenia against friend and brother Azerbaijan is unacceptable. I strongly condemn it," Oktay said on Twitter with the hashtag #SeninleyizAzerbaycan, meaning "We stand with you Azerbaijan.”

"I wish Allah's mercy on our martyred Azerbaijani brothers," he added.

Meanwhile, Turkish Foreign Minister Mevlüt Çavuşoğlu posted a video of Azerbaijan’s National Anthem also with the hashtag "We stand with you Azerbaijan.

Four Azerbaijani soldiers were martyred and four others injured in a border clash with Armenian troops on Sunday.

Upper Karabakh, or Nagorno-Karabakh, an internationally recognized territory of Azerbaijan, has been illegally occupied since 1991 through Armenian military aggression.

7 Azerbaijani soldiers killed in clashes with Armenia

Meanwhile, seven Azerbaijani soldiers, including one major general, have been killed in border clashes with Armenian troops, Azerbaijan’s Defense Ministry said on July 14. 

Kerim Veliyev, deputy defense minister, said many Armenian army military vehicles and positions have been destroyed in two days of clashes.