Facebook users have dealt with multitudes of scams and fake profiles over the years.
Some of these things users have dealt with are messages from friends who had already been compromised. Most of these end up direct messaging you a link to compromise you as well To all together scam or fake profiles. Fake profiles can range from a loved one who had passed to even someone you are already friends with. As it turns out, there is a new bug (or feature?) on Facebook where users are reporting a scam or fake profile and being locked out of their accounts.
This was brought up by several news reporting sites but most notable is to simply follow the hashtag #FacebookLockout and see for yourself.