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The video which was shared on Twitter shows a man in a gas mask running forward to kick a tear gas canister back towards police. Police then fire back with rubber bullets as one appears to hit the male protester in an intimate area, dropping him to the ground in the middle of the road. A man wearing a Colin Kaepernick football jersey runs to the aid of the protester as he limps out of the way of the advancing police with riot shields. The shocking footage comes as smoke grenades and tear gas were fired by riot police outside the Donald Trump rally in Phoenix, Arizona.

GETTY An anti-Trump protester appeared to get shot in the groin by riot police firing rubber bullets

Phoenix Police Department spokesman Sergeant Jonathan Howard said: "People in the crowd have begun throwing rocks and bottles at police. They also dispersed some gas in the area. "Police have responded with pepper balls and OC (oleoresin capsicum) spray in an attempt to disperse the crowd and stop the assaults.” Police have not given an estimate of the number of protesters who turned out for the event, but Arizona media said there were several thousand people. Anti-Trump protesters yelled out chants including "Shame" and "No Trump, no KKK, no fascist USA."

GETTY Riot police responded to the anti-Trump protest

I don't like what's happened to my state or my country Protester

Anna Ruiz, a teacher in the Phoenix Union High School District, said she marched for her undocumented students who were "too afraid". She added: ”It makes me sad to have to be out here. Everybody who lives in this country has rights. "I'm here because I'm also gay. I’m here because I'm a woman. I'm here because I'm a Democrat. I'm here because I'm a woman. I'm a veteran. I'm a fifth generation Arizonan. I don't like what's happened to my state or my country. I'm so ashamed." The Phoenix event was the President's eighth rally since he took office and he told a crowd of supporters that his words in the aftermath of the Virginia event had been "perfect".

A History of President Trump's Awkward Handshakes Fri, July 7, 2017 Take a look at some of the other notable Trump handshakes that have caused a stir Play slideshow REUTERS 1 of 10 Donald Trump and his wife Melania and South Korea's President Moon Jae-In