A crowd blocks the street at the corner of Fairview Road and Fair Drive in Costa Mesa on Thursday following a Donald Trump rally at the Orange County fairgrounds. (Scott Smeltzer / Daily Pilot)
Trump supporters and anti-Trump protesters argue on Thursday at the Orange County fairgrounds, where the Republican presidential candidate held a rally that attracted thousands of people to Costa Mesa. (Scott Smeltzer / Daily Pilot)
Protesters surround a car at the corner of Fairview Road and Fair Drive on Thursday following a Donald Trump rally at the Orange County fairgrounds. (Scott Smeltzer / Daily Pilot)
Trump supporters shout at anti-Trump protesters on Thursday at the Orange County fairgrounds. (Scott Smeltzer / Daily Pilot)
Donald Trump supporters and anti-Trump protesters shout at one another on Thursday at the Orange County fairgounds, where the Republican presidential candidate held a rally that attracted thousands of people. (Scott Smeltzer / Daily Pilot)