SHUSHA, (Azerbaijan): Armenia accused Azerbaijan on Thursday of shelling a historic cathedral in Nagorno-Karabakh while international mediators seeking to halt escalating fighting over the disputed region were expected to meet in Geneva.

Armenia said several journalists were injured in strikes on the cathedral after an initial bombardment left rubble strewn across the floor, pews knocked over and a layer of dust coating the interior from parts of the building's limestone walls that had been hit.

"There is no military, nothing strategic here, how can you target a church?" said local resident Simeon, who lives nearby.

Expectations for any major breakthrough from the talks in Geneva were low and no statements were expected from the negotiations being held behind closed doors - and without Armenian participation.

Azerbaijan and Armenia have for nearly two weeks been locked in bitter fighting over Nagorno-Karabakh, an Azerbaijani region controlled by Armenians who declared an unrecognised breakaway statelet after the fall of the USSR and emerged victorious from the war that followed.

Hundreds including civilians have been killed in the current fighting, the worst since a 1994 ceasefire, with both sides doubling down on entrenched positions over who should control the region.

Dozens of civilians have been confirmed killed in the fighting and the Armenian side has acknowledged more than 300 military deaths. Azerbaijan has not admitted to any fatalities among its troops.