“And finally,” she said, “Mr. Potter says—this is a direct quote, Albus—whatever kind of Dark Wizard attractant the Headmaster is keeping here, he needs to get it out of this school, now.” She couldn’t stop the edge in her own voice, that time.
“I asked as much of Flamel,” Albus said, the pain clear in his voice. “But Master Flamel has said—that even he can no longer keep safe the Stone—that he believes Voldemort has means of finding it wherever it is hidden—and that he does not consent for it to be guarded anywhere but Hogwarts. Minerva, I am sorry, but it must be done—must!”
Implied, yeah.