When yum is downloading packages, hitting ^C does not terminate it. It merely attempts to download the package from another mirror instead.
Dupe of https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=159205
Opps. Dupe of https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=139459
*** This bug has been marked as a duplicate of 139459 ***