The Department of Defense says the materials may contain highly classified information.
国防総省は述べています、その資料は機密性の高い情報を含んでいるかもしれないと。
The New York Times reported last week the classified documents concerning the invasion were circulating on social media.
ニューヨーク・タイムズが先週報じました、侵攻についてのその機密文書が、SNS上で出回っていたと。
It cited high-ranking officials of the administration under President Joe Biden.
それは引用しました、高位の官僚たち(の話)を、ジョー・バイデン大統領の政権の。
On Monday, a Pentagon spokesperson said the photographed documents appear to be in the same format as those used to provide daily updates to senior leaders related to the situation in Ukraine.
The spokesperson added the Justice Department has opened an investigation.
その報道官は付け加えました、司法省が捜査を始めたと。
A senior White House official says the government is taking the issue very seriously and noted U.S. officials have been in touch with relevant allies and partners.