Protesters upset Trump rallies in Arizona

A fist fight and a road blockade disrupted two of Donald Trump's rallies in Arizona Saturday, as increasing controversy over the Republican front-runner's policies saw supporters and critics resort to ever more drastic measures to make their point.

At a rally at the Tucson Convention Center, a protester dressed in a U.S. flag shirt and holding a sign showing Trump's face with the slogan "Bad for America," was pulled to the ground by another man in the audience.

The protester was punched and kicked several times before police separated the two men and walked the handcuffed attacker out, according to local media.

The protester, Bryan Sanders, said he knew he might run into trouble but said it was "worth it" to oppose Trump.

Earlier on Saturday, Trump's arrival at a rally at a park in Fountain Hills, Arizona, was delayed by protesters who blockaded a main road.

Three protesters were arrested for tying themselves to their cars when local sheriff ordered them to move.

In his speeches in Arizona, Trump repeated his promises to build a wall on the border with Mexico and reiterated his support for gun rights.

Arizona will hold presidential primary on Tuesday, with Trump currently leading the Republican field over Ted Cruz, the second-running Republican, and Ohio Governor John Kasich.

Trump's rallies have met protests in different states thanks to his policies, which are seen by many as "politically incorrect." Endi