http://www.bbc.com/news/av/world-europe-44272798/huge-fire-at-germany-s-largest-theme-park
There are older stories circulating, which only adds to the confusion, but most of the current "noise" about this topic came from these stories which are talking about 2017:
https://www.usatoday.com/story/opinion/nation-now/2018/05/25/immigration-children-separated-families-lost-column/643793002/
http://www.foxnews.com/politics/2018/05/27/some-1500-immigrant-children-unaccounted-for-federal-official-says.html