California is suing Uber Technologies Inc. and Lyft Inc. for allegedly misclassifying their drivers as independent contractors instead of employees, a move that intensifies a battle between the ride-hailing giants and their home state.

California, which is suing the companies under authority granted by a new state law and under the California Competition Law, said the decision to classify drivers as contractors has deprived them of rights such as paid sick leave and unemployment insurance.

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