The miner said there had been no impact on its operations at Gedabek and that its office in Baku continued to function as normal. The company noted that hostilities in Nagorno-Karabakh had "never affected the mountainous Armenian border area near the company's mining and processing operations".

Intense fighting began on Sunday, with both countries blaming each other for the escalation that reportedly killed and wounded dozens.

The UN security council said it would hold emergency talks to try to end the fighting on Tuesday afternoon.