"Antifa riots" is a somewhat vague descriptor, but may well be yes, depending on which incident or incidents you're referring to. Are you sure you haven't hear

"Antifa riots" is a somewhat vague descriptor, but may well be yes, depending on which incident or incidents you're referring to. Are you sure you haven't heard anyone describe anti-fascist actions as terrorism? I believe Trump himself said as much, several times last year, to wide news coverage.