Dispute over breakaway region of Nagorno-Karabakh prompted Armenia and Karabakh to declare martial law

At least 24 people have died in clashes between Armenia and Azerbaijan, as the latest violence in the decades-long territorial dispute sparked international calls to halt the fighting.

Fighting that broke out on the weekend over the breakaway region of Nagorno-Karabakh continued on Monday morning, according to Reuters, with the deployment of heavy artillery on both sides.