We don't know who the author behind this tweet is, but we know for sure that someone is about to get fired at McDonald's today:
— Ian McKelvey (@ian_mckelvey) March 16, 2017
The tweet was even pinned on top of the page:
Here it is, from a cached version:
We reached out to McDonald's for comment but did not receive an immediate response.
UPDATE: McDonald's releases statement on post
Twitter notified us that our account was compromised. We deleted the tweet, secured our account and are now investigating this.
— McDonald's Corporation (@McDonaldsCorp) March 16, 2017