Airbnb San Francisco backlash: thousands petition for more oversight

More than 15,000 seek new limits on the number of nights hosts can offer visitors - but Airbnb advocates say middle-class owners are the ones most hurt

A battle over one of the country's most expensive rental markets intensified this week when thousands of San Francisco residents petitioned the city to restrict home sharing websites like Airbnb.

More than 15,000 signed a petition calling for more oversight as well as new restrictions on the number of nights hosts can offer.