Azerbaijan's Checkpoint on Armenia-Nagorno-Karabakh Route Sparks Tensions and Fatal Clashes

Azerbaijan has set up a checkpoint on the only land link between Armenia and the Nagorno-Karabakh enclave, sparking tensions between the two ex-Soviet Caucasus nations that fought two wars over Azerbaijan's Armenian-majority region of Nagorno-Karabakh. The move violates the 2020 ceasefire agreement and has been condemned by Armenia and the US government. The Lachin corridor is patrolled by Russian peacekeepers, and tensions have risen over the corridor since last year.