Casualties are feared as an armed conflict between Azerbaijan and Armenia broke out in the border region on Sunday, Azerbaijan's Defense Ministry said.
In a statement it said that Armenian army fired at positions held by Azerbaijan in the Tovuz region.
The conflict continues, it said, adding that the situation is in control of Azerbaijani army.
Additional information would be provided to the public in due course, the ministry added.
There are no diplomatic relations between the two neighboring countries.
*Writing by Dilara Hamit in Ankara