reports which reference this
We don't know whether it is a hoax or not, but the author of the Guardian article about it does. 2017-08-05 Bloomington MN
2017-09-13 Covevill VA
Trump is ignoring the Minnesota mosque bombing. We know why.
The author claims that he "knows" the president is ignoring a suspected hate crime at a Minnesota mosque because "the administration is more than willing to sacrifice different segments of the American public to keep itself in power".