A long-“frozen” conflict flared back to life this week. Dozens have been reportedly killed amid ongoing clashes between Azerbaijani and Armenian forces in Nagorno-Karabakh, a mountainous enclave of ethnic Armenians encircled by Azerbaijani territory. The new round of fighting that began over the weekend marks the bloodiest moment since the 1990s, when the two fledgling former Soviet states warred over disputed regions until a Russian-brokered cease-fire in 1994. Both countries have mobilized their armed forces and blame the other for provoking the violence and killing civilians . The situation has been made more complex by the intervention of Turkey , which, unlike previous flare-ups when it urged a cessation of hostilities, has staunchly backed Azerbaijan […]