Artillery strikes on civilians in the Nagorno-Karabakh conflict could amount to war crimes, the UN human rights chief said on Monday, reiterating a call for Azerbaijan and Armenia to halt attacks on towns, schools and hospitals in the mountain enclave.
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Separately, Armenia's prime minister called for an investigation into the presence of "foreign mercenaries" in Nagorno-Karabakh after ethnic Armenian forces said they had captured two fighters from Syria.
Azerbaijan denied the presence of foreign combatants.
Fierce battles continued along the front line of a conflict that has killed at least 1,000 people, and possibly many more. Nagorno-Karabakh is internationally recognised as part of Azerbaijan but is populated and controlled by ethnic Armenians.
