The stakes are rising for the San Francisco mayor's race.

According to campaign finance documents, New York's former mayor Mike Bloomberg, donated $200,000 dollars to Forward Action SF, which is an independent political committee supporting Mayor London Breed's re-election campaign. 

This as the independent political committee backing mayoral candidate Daniel Lurie recently received a whopping $1 million donation from his mother!

For more, KCBS Radio's Bret Burkhart and Patti Reising spoke with KCBS Insider Phil Maiter.