Vivid and sometimes wild claims about the antifascist group Antifa have been circulating in America. Some say that the group participates in widespread violence, while others have argued that it is a small but justified part of their fight against fascism. Tanya Beckett takes a closer look at what is true and what is exaggeration. Producer: Nathan Gower (Members of Antifa protest at a far right Rally in Portland, Oregon USA. Credit: Diego Diaz/ Getty Images)