George Kittle, the most prolific tight end in 49ers’ history, has secured a four-year extension ahead of his ninth season.

Thursday is May Day, a date often marked by large demonstrations in support of workers rights and immigrant rights.

Ways to submit: By Mail: Office of the Controller, Attn: Refuse Rates Administrator, San Francisco City Hall, Room 316, 1 Dr. Carlton B. Goodlett Place, San Francisco, CA 94102 ...