BAKU – Azerbaijan says it will shell the capital of Nagorno-Karabakh, Stepanakert, if separatists rebels don’t stop firing into civilian areas. Azerbaijan says it has lost soldiers despite calling a unilateral truce. Nagorno-Karabakh is part of Azerbaijan and the UN says it supports the territorial integrity of Azerbaijan. Despite this the mainly Armenian population of Nagorno-Karabakh want to be independent. Armenia which is pursuing its goal of a greater Armenia has warned the conflict could spill into the wider south Caucasus. The US and Russia have called for an end to the fighting.