Google is testing showing two different search results from the same domain name in a single search result box. Alex Quaye sent a screen shot, he is in the UK and searched for [eis tax relief] and Google returned two gov.uk results in a single outlined box.
Here is a screen shot of the user interface from his screen capture from Twitter:
I am not sure if this is new, in fact, I think I've seen this before. But I suspect it is pretty rare to see anyway.
Forum discussion at Twitter.