The article completely lacks reliable sources – see Wikipedia:Verifiability.
The topic is treated in an obviously non-neutral way – see Wikipedia:Neutral point of view.
There are cleanup banners that are obviously still valid, including cleanup, wikify, NPOV, unreferenced or large numbers of fact, clarifyme, or similar tags.
The article is or has been the subject of ongoing or recent, unresolved edit wars.
The article specifically concerns a rapidly unfolding current event with a definite endpoint.