I just saw that this question was deleted just after 3 minutes of posting:
Somehow it has 4 delete votes while three should be enough to delete the post.
It gets weirder, see the revision list:
Deleted twice, in a difference of one second.
As ben commented, probably simultaneous voting:
The above pretty much explains what happened, waiting for a dev to confirm of course and hopefully fix though it's not a big deal. (post still deleted, no harm done, just weird display)