A new batch of classified documents – documents said to involve national security secrets on such regions as Ukraine, China, and the Mideast – has turned up on social media websites, the New York Times reported on Friday.

It said the leaks have set off alarms within the Pentagon, while also catching the Biden administration off guard.

According to the Times report, analysts say more than 100 documents may have been involved, and because of their sensitivity, the leak could prove to be very damaging.