The below is attributable to Spokesperson Matthew Miller:

Secretary of State Antony J. Blinken spoke with Armenia’s Prime Minister Nikol Pashinyan today about Azerbaijan’s military actions in Nagorno-Karabakh. The Secretary expressed the United States’ deep concern for the situation in Nagorno-Karabakh and underscored that the United States is calling on Azerbaijan to immediately cease hostilities and return to dialogue immediately. He told Prime Minister Pashinyan the United States fully supports Armenia’s sovereignty, independence, and territorial integrity.