The violent attacks on peaceful citizens by these leftwing domestic terrorists, supported by the fifth-column leftist media, need to handled by law enforcement with maximum force needed to immediately stop these violent threats to innocent lives. The laws covering self-defense should also apply.
Even Mother Jones is admitting leftists are turning violent:
A New Wave of Left-Wing Militants Is Ready to Rumble in Portland—and Beyond
http://www.motherjones.com/politics/2017/06/antifa-movement-anti-trump-politics-nazi
In Portland it is interesting that the police even paid attention to the leftists.