Read the small print before entering the short story competition on the Alibi website (previously posted on this page):
8. SUBMITTING USER CONTENT (“SUBMIT YOUR STORY”)
Where you submit your entry to this site (including without limitation any text, graphics, photos, video or audio) by such submission you grant UKTV and HarperCollins Publishers Limited each a perpetual, irrevocable, royalty-free, non-exclusive, worldwide, sub-licensable right and license to use, reproduce and publish, distribute and make available to the public your entry in any media, now known or later developed, for the full term of any rights that may exist in such content.
If you do not wish to grant such rights to UKTV and HarperCollins, you should not submit your content to the site.
By submitting content to this site, you:
iii) agree that UKTV and/or HarperCollins may undertake minor editing of your content prior to any publication.
For the avoidance of doubt, subject to the licence granted above to UKTV and HarperCollins Limited, you shall retain ownership of the copyright in your entry.