Jose DelReal

Protesters opposed to Donald Trump clashed with police officers outside a hotel here in the San Francisco Bay area Friday ahead of a speech by the Republican front-runner, escalating as eggs were thrown at authorities and one group burned the billionaire in effigy.

Protesters clashed with police officers and vandalized vehicles after a campaign rally Thursday hosted by Republican presidential candidate Donald Trump.

A nasty feud between Donald Trump and Sen. Ted Cruz over their wives set off a new wave of alarm among Republicans, who fear Trump would drive away female voters in a campaign against Hillary Clinton.

Republican presidential candidate Donald Trump accused GOP rival Sen. Ted Cruz of cheating to win the Iowa caucuses. The second-place finisher claims the senator from Texas misled voters to believe fellow candidate Ben Carson was quitting the race.

Sen. Ted Cruz scored a hard-fought upset win over businessman Donald Trump in the Iowa Republican caucuses Monday night, while former secretary of state Hillary Clinton and Sen. Bernie Sanders were locked in a virtual tie on the Democratic side.