https://www.msn.com/en-us/news/us/neo-nazis-say-attack-leaving-40-000-americans-in-dark-is-only-the-beginning/ar-AA152Xyc?ocid=entnewsntp&cvid=b4345282b2ec4433b2ad1a9ae4a33a59
These are just early reports - when all the facts are in, I'm sure the real culprit will be antifa (potential suspect shown above)