District Attorneys Say Ride-Sharing Services Violate Law

The district attorneys of San Francisco and Los Angeles accused ride-sharing service Sidecar Inc. of violating California business law and threatened an injunction on its service following a joint investigation, according to a letter sent to Sidecar and reviewed by The Wall Street Journal. Similar letters were also hand-delivered to Sidecar's larger rivals in San Francisco, Uber Technologies Inc. and Lyft Inc., according to a spokeswoman for the San Francisco district attorney's office.