Taxi unions in France have criticized Uber for "unfair competition."
Kat Borlongan, co-founder of consulting firm Five by Five, who was in the van, tweeted about the attack:
For two Uber customers in Paris, their ride was not at all what they expected.
Major taxi unions in the French capital staged protests Monday against startup Uber and other independent car services for "unfair competition." The local taxi drivers feel that their jobs are threatened by new services such as Uber, French newspaper Le Monde reports.
But the protests turned violent when taxi drivers apparently attacked the Uber van that was transporting Kat Borlongan, co-founder of consulting firm Five by Five, and Eventbrite CTO Renaud Visage.
Read more from Reason.com on Uber here.