A Spanish riot police officer stands amidst smoke during a protest of taxi drivers of what they called unfair competition from private shared ride businesses like Uber in central Madrid, Spain, February 18, 2016 (Reuters)
Spanish taxi drivers shout slogans holding a flare and a flag during a protest of what they called unfair competition from private shared ride businesses like Uber in central Madrid, Spain, February 18, 2016 (Reuters)
People holding smoke bombs march during a protest by a Spanish taxi drivers’ union in Madrid, Thursday, Feb. 18, 2016 (AP)
Hundreds of Czech taxi drivers are blocking a road in downtown Prague to demand higher payment and protest alternative services such is Uber, in Prague, Czech Republic, Monday, Feb. 8, 2016 (AP)
Hundreds of Czech taxi drivers are blocking a road in downtown Prague to demand higher payment and protest alternative services such is Uber, in Prague, Czech Republic, Monday, Feb. 8, 2016 (AP)
A police officer stands between rows of taxis during a protest by London cab drivers against Uber in central London, Britain February 10, 2016 (Reuters)
Taxi drivers block Whitehall as they demonstrate in central London on February 10, 2016 (AFP)
Taxis parked on the street are pictured during a protest against the online car-sharing service Uber in Rio de Janeiro, Brazil (Reuters)
French riot police stand next to an overturned car as striking French taxi drivers demonstrate at the Porte Maillot to block the traffic on the Paris ring road during a national protest against car-sharing service Uber, in Paris, France, June 25, 2015 (Photo: Reuters)
Taxis block a main road in Budapest's city centre, Hungary, January 18, 2016 (Reuters)
Taxi drivers from all over Europe line a street during a protest against online ride-sharing company Uber, in central Brussels, Belgium, September 16, 2015 (Reuters)
Two taxi drivers display banner: "The Egyptian Taxi is the basis" to protest against foreign ride hailing applications Uber, Careem in Downtown Cairo on February 10, 2015 (Photo: Suhail Saleh)