"Azerbaijan keeps telling that all rights and securities of Nagorno-Karabakh Armenians are guaranteed. Meanwhile, it's the 3rd day, Lachin Corridor is blocked. Gas supply was cut off causing disaster in Nagorno-Karabakh. Azerbaijan shoots itself in the foot with this step and proves to the world that assurances were just words," Armenian Ambassador-at-Large Edmon Marukyan wrote on his Twitter.