A supporter (C) of Republican U.S. presidential candidate Donald Trump collides with another man after he was confronted by demonstrators outside a campaign rally in San Jose, California, U.S. June 2, 2016. REUTERS/Stephen Lam

A supporter (C) of Republican U.S. presidential candidate Donald Trump collides with another man after he was confronted by demonstrators outside a campaign rally in San Jose, California, U.S. June 2, 2016. REUTERS/Stephen Lam

A supporter (C) of Republican U.S. presidential candidate Donald Trump collides with another man after he was confronted by demonstrators outside a campaign rally in San Jose, California, U.S. June 2, 2016. REUTERS/Stephen Lam

June 9, 2016 9:15 AM (UTC+8)