The same question should not be under both Linked and Related
20899
Linked and Related sections contain duplicate links to questions
146225
Duplicate questions on other SE sites?
69078
Whoa! What is this "Linked" thing?
35627
"x questions with new activity" is wrongfully showing in linked questions list
146576
Askers should be able to close their own question as a duplicate
101748
Duplicate / Similar content across many articles
12116
Two Answers, One Question
154856
Wording of "possible/exact duplicates" when closing the question
3685
Confirming that my own question is a duplicate by voting to close should have immediate effect
126330
Wrong wording of close message when question is closed as duplicate of more than one
11910
Meta duplicates don't require an answer. Don't suggest there is one when that's not true
151162
Why are there two different close reasons for questions that aren't about the site's topic?
117258
Is it ok to to delete and repost a duplicate question?
41984
Requested link only answers
44392
Questions closed as duplicates should include a link to the original question
94974
Asking similar questions - process?
32895
How can I avoid asking duplicate questions?