London Breed became the first Black woman elected mayor of San Francisco six years ago.

San Francisco Mayor London Breed has drawn another challenger in her reelection contest this November.

FILE - In this Sept. 20, 2016, file photo, Facebook CEO Mark Zuckerberg and his wife, Priscilla Chan, smile as they prepare for a speech in San Francisco. The hospital was the first in San Francisco to administer vaccines protecting against the coronavirus on Tuesday. We are a public hospital of and for the people of the city and county of San Francisco. The Chan Zuckerberg Initiative, the couple's philanthropic arm, directed requests for comment to the San Francisco General Hospital Foundation. The resolution declares that the city and county of San Francisco should not reward tax dodges, which some say the donation is.