Photo: NATALIA KOLESNIKOVA/AFP via Getty

U.S. Embassy in moscow

The advisory notes that, in September, the Russian government partiallymobilized citizens to the armed forcesin support of its invasion. “Russia may refuse to acknowledge dual nationals' U.S. citizenship, deny their access to U.S. consular assistance, subject them to mobilization, prevent their departure from Russia, and/or conscript them,” the advisory added.

The recent mobilization — which saw Russian citizens in the military reserve or those with military experience being called to active duty — marked the county’s first military mobilization since World War II.

In calling for the partial mobilization in September, Russian PresidentVladimir Putinalso made veiled threats that have raised fears the autocrat could turn to nuclear weapons.

“When the territorial integrity of our country is threatened, we will certainly use all the means at our disposal to protect Russia and our people. It’s not a bluff,” Putin said, per aReuters report.

Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer.

Recent reports have claimed that Russian soldiers aresuffering from exhaustionand alack of resources, though U.S. officials have been cautious about suggesting Putin could withdraw from the region.

Russian forces launched a large-scale invasionof Ukraineon Feb. 24, 2022, with the invasion drawing condemnation around the world andincreasingly severe economic sanctionsagainst Russia and its leaders, including Putin himself.

More than 7 million have fled the country as refugees — and half are children,according to the United Nations. Millions more have been displaced inside Ukraine.

source: people.com