He also said State isn't planning to renew a long-standing waiver that allows the U.S. to provide military assistance to Baku.

Highlights:

Secretary of State Antony Blinken warned a small group of lawmakers last week that his department is tracking the possibility that Azerbaijan could soon invade Armenia, according to two people familiar with the conversation.

Azerbaijiani President Ilham Aliyev has previously called on Armenia to open a “corridor” along its southern border, linking mainland Azerbaijan to an exclave that borders Turkey and Iran. Aliyev has threatened to solve the issue “by force.”