Watching a riot when a crowd turns into a mindless, maddened beast screaming for blood is a frightening experience.

To be within that hate-filled crowd, screamed at, spat upon and in fear of violence, must have been terrifying.

That was the treatment handed out to Sydney City Councillor Christine Forster and her partner Virginia Edwards as they tried to make their way into a Liberal Party fundraiser last evening, and found themselves in the midst of Green protestors, baying for blood.