Donald Trump Rally

Sheriff’s deputies take n anti-Trump protester into custody Friday in San Diego.

Anti-Trump protesters, left, and Trump supporters scuffle at the end of 5th Avenue after Donald Trump’s rally Friday in San Diego.  (Hayne Palmour IV / San Diego Union-Tribune)

Protesters and supporters of Republican presidential candidate Donald Trump clash during a rally in San Diego.

Police move anti-Trump protesters back toward Harbor Drive on Friday in San Diego.

A woman kneels on the ground and holds her hand up as Trump supporters and anti-Trump protesters clash at a rally at the San Diego.

Demonstrators protest outside of an arena where presumptive Republican presidential candidate Donald Trump is holding a rally in San Diego.

Police move anti-Trump protesters back as crowds of protesters and Trump supporters clash near the San Diego Convention Center.

Republican presidential candidate Donald Trump supporters cheer during a rally in San Diego.

Taren Meacham holds up his daughter Sarin Meacham, 1, during a campaign rally for Republican presidential candidate Donald Trump on Friday.

Supporters cheer as Republican presidential candidate Donald Trump arrives for a campaign rally Friday in San Diego.

Republican presidential candidate Donald Trump speaks at a rally Friday in San Diego.

Republican presidential candidate Donald Trump greets supporters after a rally Friday.

Republican presidential candidate Donald Trump greets supporters after a rally Friday in San Diego.