When I visit Meta Stack Overflow, some of the questions on the page are red boxed. From my understanding, that means the question was deleted. Perplexed as I don't have 10,000 rep on Stack Overflow or here, I tapped it and was shown the deleted question page.
I experienced this a month ago, but didn't say anything as tapping the link, going back (using cache), then refreshing removes the link. I have never experienced this on the desktop site.
For the question itself, here it is: "Fibonacci numbers with parent thread and child thread [closed]"
Here is a screenshot of the home page with the link:
Here is a screenshot of what happens after tapping the link: