San Francisco Mayor Ed Lee passed away suddenly Tuesday morning after going into cardiac arrest on Monday night. He was 65 years old.
Lee, who was at an event on Monday and appeared in good health, had served as mayor since 2011.
Here's a look back at Lee's career in photos.
From advocacy work to light-hearted fun, see Ed Lee's career in photos
President Barack Obama walks with San Francisco Mayor Ed Lee after arriving at San Francisco International airport in San Francisco, Tuesday, Oct. 25, 2011. (Eric Risberg/AP Photo)