House Democratic leader Pelosi backs Clinton for president

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)