House Democratic leader Pelosi backs Clinton for president

U.S. Democratic presidential candidate Hillary Clinton greets the crowd at a campaign rally at the Greek Theatre in Los Angeles, California, U.S. June 6, 2016. REUTERS/Lucy Nicholson

WASHINGTON (Reuters) - U.S. House Democratic leader Nancy Pelosi endorsed Hillary Clinton for the presidency on Tuesday as voters in California, the nation's most populous state, head to the polls. In a statement, the California Democrat praised the former U.S. secretary of state and called on supporters of rival Bernie Sanders "to advance our shared fight." (Reporting by Ginger Gibson; Writing by Susan Heavey; Editing by Doina Chiacu)