Armenia-Azerbaijan conflict Photograph:( AFP )
Azerbaijan's Defence Ministry reported fighting in and around Nagorno-Karabakh, a part of Azerbaijan populated and controlled by ethnic Armenians.
New skirmishes have been broken out between Azerbaijan and ethnic Armenian forces over Nagorno-Karabakh a day after talks in Washington to try to end the deadliest fighting in the mountain enclave in more than a quarter of a century.
Hopes of ending nearly a month of bloodshed in the mountain enclave of Nagorno-Karabakh were looking slim even before the Washington talks.
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Azerbaijan's Defence Ministry reported fighting in and around Nagorno-Karabakh, a part of Azerbaijan populated and controlled by ethnic Armenians.
Local officials accused Azerbaijan's forces of shelling buildings in Stepanakert, the largest city in the region, which Baku denied.
US Secretary of State Mike Pompeo met separately with the foreign ministers of Azerbaijan and Armenia on Friday in a new attempt to end nearly a month of bloodshed that Russian President Vladimir Putin said may have killed 5,000 people.
The collapse of two Russia-brokered ceasefires had already dimmed the prospect of a quick end to fighting that broke out on September 27 over Nagorno-Karabakh.
Azeri forces say they have made territorial gains, including full control over the border with Iran, which Armenia denies. Nagorno-Karabakh's ethnic Armenian administration says its forces have repulsed attacks.
Armenian Foreign Minister Zohrab Mnatsakanyan had said more than 90,000 people became refugees over the recent escalation of tensions in Azerbaijan's breakaway region of Nagorno-Karabakh.
About 30,000 people were killed in a 1991-94 war over Nagorno-Karabakh. Armenians regard the territory as part of their historic homeland and accuse Azerbaijan of making a land grab in the recent fighting.
(With inputs from agencies)